Home / 5,439.60-7,508.34-4,322.52

Finding the Fourth Proportional to 5,439.60, 7,508.34 and 4,322.52

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Solution

The fourth proportional to 5,439.60, 7,508.34 and 4,322.52 is: 5,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.60 : 7,508.34 = 4,322.52 : x
  2. Step 2: Convert to fraction form
    5,439.60/7,508.34 = 4,322.52/x
  3. Step 3: Cross multiply
    5,439.60x = 7,508.34 × 4,322.52
  4. Step 4: Simplify right side
    5,439.60x = 32,454,949.82
  5. Step 5: Solve for x
    x = 32,454,949.82/5,439.60
  6. Step 6: Final answer
    x = 5,966.42

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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.