Home / 5,379.60-7,424.28-3,022.32

Finding the Fourth Proportional to 5,379.60, 7,424.28 and 3,022.32

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Solution

The fourth proportional to 5,379.60, 7,424.28 and 3,022.32 is: 4,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.60 : 7,424.28 = 3,022.32 : x
  2. Step 2: Convert to fraction form
    5,379.60/7,424.28 = 3,022.32/x
  3. Step 3: Cross multiply
    5,379.60x = 7,424.28 × 3,022.32
  4. Step 4: Simplify right side
    5,379.60x = 22,438,549.93
  5. Step 5: Solve for x
    x = 22,438,549.93/5,379.60
  6. Step 6: Final answer
    x = 4,171.04

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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.