Home / 2,750.13-4,127.22-1,711.66

Finding the Fourth Proportional to 2,750.13, 4,127.22 and 1,711.66

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Solution

The fourth proportional to 2,750.13, 4,127.22 and 1,711.66 is: 2,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.13 : 4,127.22 = 1,711.66 : x
  2. Step 2: Convert to fraction form
    2,750.13/4,127.22 = 1,711.66/x
  3. Step 3: Cross multiply
    2,750.13x = 4,127.22 × 1,711.66
  4. Step 4: Simplify right side
    2,750.13x = 7,064,397.39
  5. Step 5: Solve for x
    x = 7,064,397.39/2,750.13
  6. Step 6: Final answer
    x = 2,568.75

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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.