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Finding the Fourth Proportional to 5,260.68, 7,259.22 and 3,397.68

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Solution

The fourth proportional to 5,260.68, 7,259.22 and 3,397.68 is: 4,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.68 : 7,259.22 = 3,397.68 : x
  2. Step 2: Convert to fraction form
    5,260.68/7,259.22 = 3,397.68/x
  3. Step 3: Cross multiply
    5,260.68x = 7,259.22 × 3,397.68
  4. Step 4: Simplify right side
    5,260.68x = 24,664,506.61
  5. Step 5: Solve for x
    x = 24,664,506.61/5,260.68
  6. Step 6: Final answer
    x = 4,688.46

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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.