Home / 7,535.27-10,398.56-4,178.03

Finding the Fourth Proportional to 7,535.27, 10,398.56 and 4,178.03

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Solution

The fourth proportional to 7,535.27, 10,398.56 and 4,178.03 is: 5,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.27 : 10,398.56 = 4,178.03 : x
  2. Step 2: Convert to fraction form
    7,535.27/10,398.56 = 4,178.03/x
  3. Step 3: Cross multiply
    7,535.27x = 10,398.56 × 4,178.03
  4. Step 4: Simplify right side
    7,535.27x = 43,445,454.09
  5. Step 5: Solve for x
    x = 43,445,454.09/7,535.27
  6. Step 6: Final answer
    x = 5,765.61

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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.