Home / 5,438.28-7,497.69-3,924.57

Finding the Fourth Proportional to 5,438.28, 7,497.69 and 3,924.57

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Solution

The fourth proportional to 5,438.28, 7,497.69 and 3,924.57 is: 5,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.28 : 7,497.69 = 3,924.57 : x
  2. Step 2: Convert to fraction form
    5,438.28/7,497.69 = 3,924.57/x
  3. Step 3: Cross multiply
    5,438.28x = 7,497.69 × 3,924.57
  4. Step 4: Simplify right side
    5,438.28x = 29,425,209.24
  5. Step 5: Solve for x
    x = 29,425,209.24/5,438.28
  6. Step 6: Final answer
    x = 5,410.76

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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.