Home / 2,076.28-3,113.57-1,035.90

Finding the Fourth Proportional to 2,076.28, 3,113.57 and 1,035.90

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Solution

The fourth proportional to 2,076.28, 3,113.57 and 1,035.90 is: 1,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.28 : 3,113.57 = 1,035.90 : x
  2. Step 2: Convert to fraction form
    2,076.28/3,113.57 = 1,035.90/x
  3. Step 3: Cross multiply
    2,076.28x = 3,113.57 × 1,035.90
  4. Step 4: Simplify right side
    2,076.28x = 3,225,347.16
  5. Step 5: Solve for x
    x = 3,225,347.16/2,076.28
  6. Step 6: Final answer
    x = 1,553.43

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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.