Home / 5,053.20-7,580.20-1,543.52

Finding the Fourth Proportional to 5,053.20, 7,580.20 and 1,543.52

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Solution

The fourth proportional to 5,053.20, 7,580.20 and 1,543.52 is: 2,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.20 : 7,580.20 = 1,543.52 : x
  2. Step 2: Convert to fraction form
    5,053.20/7,580.20 = 1,543.52/x
  3. Step 3: Cross multiply
    5,053.20x = 7,580.20 × 1,543.52
  4. Step 4: Simplify right side
    5,053.20x = 11,700,190.30
  5. Step 5: Solve for x
    x = 11,700,190.30/5,053.20
  6. Step 6: Final answer
    x = 2,315.40

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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.