Home / 5,439.80-7,508.14-3,316.03

Finding the Fourth Proportional to 5,439.80, 7,508.14 and 3,316.03

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Solution

The fourth proportional to 5,439.80, 7,508.14 and 3,316.03 is: 4,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.80 : 7,508.14 = 3,316.03 : x
  2. Step 2: Convert to fraction form
    5,439.80/7,508.14 = 3,316.03/x
  3. Step 3: Cross multiply
    5,439.80x = 7,508.14 × 3,316.03
  4. Step 4: Simplify right side
    5,439.80x = 24,897,190.42
  5. Step 5: Solve for x
    x = 24,897,190.42/5,439.80
  6. Step 6: Final answer
    x = 4,576.86

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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.