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Finding the Fourth Proportional to 5,798.19, 8,001.54 and 3,145.71

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Solution

The fourth proportional to 5,798.19, 8,001.54 and 3,145.71 is: 4,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.19 : 8,001.54 = 3,145.71 : x
  2. Step 2: Convert to fraction form
    5,798.19/8,001.54 = 3,145.71/x
  3. Step 3: Cross multiply
    5,798.19x = 8,001.54 × 3,145.71
  4. Step 4: Simplify right side
    5,798.19x = 25,170,524.39
  5. Step 5: Solve for x
    x = 25,170,524.39/5,798.19
  6. Step 6: Final answer
    x = 4,341.10

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Find fourth proportional to 2,899.10, 4,000.77 and 1,572.86
Half scale
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Double scale
Find fourth proportional to 5,799.19, 8,002.92 and 3,146.71
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.