Home / 5,785.01-7,983.35-3,132.42

Finding the Fourth Proportional to 5,785.01, 7,983.35 and 3,132.42

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Solution

The fourth proportional to 5,785.01, 7,983.35 and 3,132.42 is: 4,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.01 : 7,983.35 = 3,132.42 : x
  2. Step 2: Convert to fraction form
    5,785.01/7,983.35 = 3,132.42/x
  3. Step 3: Cross multiply
    5,785.01x = 7,983.35 × 3,132.42
  4. Step 4: Simplify right side
    5,785.01x = 25,007,211.86
  5. Step 5: Solve for x
    x = 25,007,211.86/5,785.01
  6. Step 6: Final answer
    x = 4,322.76

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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.