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Finding the Fourth Proportional to 5,339.24, 7,362.60 and 3,854.24

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Solution

The fourth proportional to 5,339.24, 7,362.60 and 3,854.24 is: 5,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.24 : 7,362.60 = 3,854.24 : x
  2. Step 2: Convert to fraction form
    5,339.24/7,362.60 = 3,854.24/x
  3. Step 3: Cross multiply
    5,339.24x = 7,362.60 × 3,854.24
  4. Step 4: Simplify right side
    5,339.24x = 28,377,227.42
  5. Step 5: Solve for x
    x = 28,377,227.42/5,339.24
  6. Step 6: Final answer
    x = 5,314.84

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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.