Home / 5,489.98-7,576.14-3,132.08

Finding the Fourth Proportional to 5,489.98, 7,576.14 and 3,132.08

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Solution

The fourth proportional to 5,489.98, 7,576.14 and 3,132.08 is: 4,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.98 : 7,576.14 = 3,132.08 : x
  2. Step 2: Convert to fraction form
    5,489.98/7,576.14 = 3,132.08/x
  3. Step 3: Cross multiply
    5,489.98x = 7,576.14 × 3,132.08
  4. Step 4: Simplify right side
    5,489.98x = 23,729,076.57
  5. Step 5: Solve for x
    x = 23,729,076.57/5,489.98
  6. Step 6: Final answer
    x = 4,322.25

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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.