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Finding the Fourth Proportional to 5,885.19, 8,113.62 and 5,042.25

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Solution

The fourth proportional to 5,885.19, 8,113.62 and 5,042.25 is: 6,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.19 : 8,113.62 = 5,042.25 : x
  2. Step 2: Convert to fraction form
    5,885.19/8,113.62 = 5,042.25/x
  3. Step 3: Cross multiply
    5,885.19x = 8,113.62 × 5,042.25
  4. Step 4: Simplify right side
    5,885.19x = 40,910,900.45
  5. Step 5: Solve for x
    x = 40,910,900.45/5,885.19
  6. Step 6: Final answer
    x = 6,951.50

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Half scale
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Double scale
Find fourth proportional to 5,886.19, 8,115 and 5,043.25
Similar ratio
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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.