Home / 2,151.18-3,229.20-1,567.08

Finding the Fourth Proportional to 2,151.18, 3,229.20 and 1,567.08

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Solution

The fourth proportional to 2,151.18, 3,229.20 and 1,567.08 is: 2,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.18 : 3,229.20 = 1,567.08 : x
  2. Step 2: Convert to fraction form
    2,151.18/3,229.20 = 1,567.08/x
  3. Step 3: Cross multiply
    2,151.18x = 3,229.20 × 1,567.08
  4. Step 4: Simplify right side
    2,151.18x = 5,060,414.74
  5. Step 5: Solve for x
    x = 5,060,414.74/2,151.18
  6. Step 6: Final answer
    x = 2,352.39

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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.