Home / 7,531.64-10,392.68-4,174.28

Finding the Fourth Proportional to 7,531.64, 10,392.68 and 4,174.28

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Solution

The fourth proportional to 7,531.64, 10,392.68 and 4,174.28 is: 5,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.64 : 10,392.68 = 4,174.28 : x
  2. Step 2: Convert to fraction form
    7,531.64/10,392.68 = 4,174.28/x
  3. Step 3: Cross multiply
    7,531.64x = 10,392.68 × 4,174.28
  4. Step 4: Simplify right side
    7,531.64x = 43,381,956.27
  5. Step 5: Solve for x
    x = 43,381,956.27/7,531.64
  6. Step 6: Final answer
    x = 5,759.96

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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.