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Finding the Fourth Proportional to 5,798.46, 8,001.90 and 3,145.92

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Solution

The fourth proportional to 5,798.46, 8,001.90 and 3,145.92 is: 4,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.46 : 8,001.90 = 3,145.92 : x
  2. Step 2: Convert to fraction form
    5,798.46/8,001.90 = 3,145.92/x
  3. Step 3: Cross multiply
    5,798.46x = 8,001.90 × 3,145.92
  4. Step 4: Simplify right side
    5,798.46x = 25,173,337.25
  5. Step 5: Solve for x
    x = 25,173,337.25/5,798.46
  6. Step 6: Final answer
    x = 4,341.38

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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.