Home / 5,316.30-7,974.45-2,542.32

Finding the Fourth Proportional to 5,316.30, 7,974.45 and 2,542.32

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Solution

The fourth proportional to 5,316.30, 7,974.45 and 2,542.32 is: 3,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.30 : 7,974.45 = 2,542.32 : x
  2. Step 2: Convert to fraction form
    5,316.30/7,974.45 = 2,542.32/x
  3. Step 3: Cross multiply
    5,316.30x = 7,974.45 × 2,542.32
  4. Step 4: Simplify right side
    5,316.30x = 20,273,603.72
  5. Step 5: Solve for x
    x = 20,273,603.72/5,316.30
  6. Step 6: Final answer
    x = 3,813.48

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Similar ratio
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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.