Home / 2,053.32-3,077.24-753.56

Finding the Fourth Proportional to 2,053.32, 3,077.24 and 753.56

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Solution

The fourth proportional to 2,053.32, 3,077.24 and 753.56 is: 1,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.32 : 3,077.24 = 753.56 : x
  2. Step 2: Convert to fraction form
    2,053.32/3,077.24 = 753.56/x
  3. Step 3: Cross multiply
    2,053.32x = 3,077.24 × 753.56
  4. Step 4: Simplify right side
    2,053.32x = 2,318,884.97
  5. Step 5: Solve for x
    x = 2,318,884.97/2,053.32
  6. Step 6: Final answer
    x = 1,129.33

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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.