Home / 5,761.06-8,642.40-2,475.70

Finding the Fourth Proportional to 5,761.06, 8,642.40 and 2,475.70

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Solution

The fourth proportional to 5,761.06, 8,642.40 and 2,475.70 is: 3,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.06 : 8,642.40 = 2,475.70 : x
  2. Step 2: Convert to fraction form
    5,761.06/8,642.40 = 2,475.70/x
  3. Step 3: Cross multiply
    5,761.06x = 8,642.40 × 2,475.70
  4. Step 4: Simplify right side
    5,761.06x = 21,395,989.68
  5. Step 5: Solve for x
    x = 21,395,989.68/5,761.06
  6. Step 6: Final answer
    x = 3,713.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.