Home / 5,538.59-7,640.26-3,414.58

Finding the Fourth Proportional to 5,538.59, 7,640.26 and 3,414.58

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Solution

The fourth proportional to 5,538.59, 7,640.26 and 3,414.58 is: 4,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.59 : 7,640.26 = 3,414.58 : x
  2. Step 2: Convert to fraction form
    5,538.59/7,640.26 = 3,414.58/x
  3. Step 3: Cross multiply
    5,538.59x = 7,640.26 × 3,414.58
  4. Step 4: Simplify right side
    5,538.59x = 26,088,251.35
  5. Step 5: Solve for x
    x = 26,088,251.35/5,538.59
  6. Step 6: Final answer
    x = 4,710.27

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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.