Home / 7,531.50-10,393.46-4,174.32

Finding the Fourth Proportional to 7,531.50, 10,393.46 and 4,174.32

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Solution

The fourth proportional to 7,531.50, 10,393.46 and 4,174.32 is: 5,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.50 : 10,393.46 = 4,174.32 : x
  2. Step 2: Convert to fraction form
    7,531.50/10,393.46 = 4,174.32/x
  3. Step 3: Cross multiply
    7,531.50x = 10,393.46 × 4,174.32
  4. Step 4: Simplify right side
    7,531.50x = 43,385,555.11
  5. Step 5: Solve for x
    x = 43,385,555.11/7,531.50
  6. Step 6: Final answer
    x = 5,760.55

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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.