Home / 7,531.31-10,392.57-4,174.00

Finding the Fourth Proportional to 7,531.31, 10,392.57 and 4,174.00

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Solution

The fourth proportional to 7,531.31, 10,392.57 and 4,174.00 is: 5,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.31 : 10,392.57 = 4,174.00 : x
  2. Step 2: Convert to fraction form
    7,531.31/10,392.57 = 4,174.00/x
  3. Step 3: Cross multiply
    7,531.31x = 10,392.57 × 4,174.00
  4. Step 4: Simplify right side
    7,531.31x = 43,378,561.20
  5. Step 5: Solve for x
    x = 43,378,561.20/7,531.31
  6. Step 6: Final answer
    x = 5,759.76

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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.