Home / 5,557.20-7,669.38-3,167.58

Finding the Fourth Proportional to 5,557.20, 7,669.38 and 3,167.58

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Solution

The fourth proportional to 5,557.20, 7,669.38 and 3,167.58 is: 4,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.20 : 7,669.38 = 3,167.58 : x
  2. Step 2: Convert to fraction form
    5,557.20/7,669.38 = 3,167.58/x
  3. Step 3: Cross multiply
    5,557.20x = 7,669.38 × 3,167.58
  4. Step 4: Simplify right side
    5,557.20x = 24,293,374.70
  5. Step 5: Solve for x
    x = 24,293,374.70/5,557.20
  6. Step 6: Final answer
    x = 4,371.51

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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.