Home / 5,251.32-7,244.10-4,257.72

Finding the Fourth Proportional to 5,251.32, 7,244.10 and 4,257.72

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Solution

The fourth proportional to 5,251.32, 7,244.10 and 4,257.72 is: 5,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.32 : 7,244.10 = 4,257.72 : x
  2. Step 2: Convert to fraction form
    5,251.32/7,244.10 = 4,257.72/x
  3. Step 3: Cross multiply
    5,251.32x = 7,244.10 × 4,257.72
  4. Step 4: Simplify right side
    5,251.32x = 30,843,349.45
  5. Step 5: Solve for x
    x = 30,843,349.45/5,251.32
  6. Step 6: Final answer
    x = 5,873.45

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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.