Home / 5,316.82-7,337.61-3,079.30

Finding the Fourth Proportional to 5,316.82, 7,337.61 and 3,079.30

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Solution

The fourth proportional to 5,316.82, 7,337.61 and 3,079.30 is: 4,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.82 : 7,337.61 = 3,079.30 : x
  2. Step 2: Convert to fraction form
    5,316.82/7,337.61 = 3,079.30/x
  3. Step 3: Cross multiply
    5,316.82x = 7,337.61 × 3,079.30
  4. Step 4: Simplify right side
    5,316.82x = 22,594,702.47
  5. Step 5: Solve for x
    x = 22,594,702.47/5,316.82
  6. Step 6: Final answer
    x = 4,249.66

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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.