Home / 2,750.13-4,129.02-2,200.53

Finding the Fourth Proportional to 2,750.13, 4,129.02 and 2,200.53

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Solution

The fourth proportional to 2,750.13, 4,129.02 and 2,200.53 is: 3,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.13 : 4,129.02 = 2,200.53 : x
  2. Step 2: Convert to fraction form
    2,750.13/4,129.02 = 2,200.53/x
  3. Step 3: Cross multiply
    2,750.13x = 4,129.02 × 2,200.53
  4. Step 4: Simplify right side
    2,750.13x = 9,086,032.38
  5. Step 5: Solve for x
    x = 9,086,032.38/2,750.13
  6. Step 6: Final answer
    x = 3,303.86

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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.