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Finding the Fourth Proportional to 3,531.40, 5,296.96 and 898.92

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Solution

The fourth proportional to 3,531.40, 5,296.96 and 898.92 is: 1,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.40 : 5,296.96 = 898.92 : x
  2. Step 2: Convert to fraction form
    3,531.40/5,296.96 = 898.92/x
  3. Step 3: Cross multiply
    3,531.40x = 5,296.96 × 898.92
  4. Step 4: Simplify right side
    3,531.40x = 4,761,543.28
  5. Step 5: Solve for x
    x = 4,761,543.28/3,531.40
  6. Step 6: Final answer
    x = 1,348.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.