Home / 5,437.90-8,155.68-2,513.44

Finding the Fourth Proportional to 5,437.90, 8,155.68 and 2,513.44

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Solution

The fourth proportional to 5,437.90, 8,155.68 and 2,513.44 is: 3,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.90 : 8,155.68 = 2,513.44 : x
  2. Step 2: Convert to fraction form
    5,437.90/8,155.68 = 2,513.44/x
  3. Step 3: Cross multiply
    5,437.90x = 8,155.68 × 2,513.44
  4. Step 4: Simplify right side
    5,437.90x = 20,498,812.34
  5. Step 5: Solve for x
    x = 20,498,812.34/5,437.90
  6. Step 6: Final answer
    x = 3,769.62

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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.