Home / 2,030.18-3,045.27-731.75

Finding the Fourth Proportional to 2,030.18, 3,045.27 and 731.75

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Solution

The fourth proportional to 2,030.18, 3,045.27 and 731.75 is: 1,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.18 : 3,045.27 = 731.75 : x
  2. Step 2: Convert to fraction form
    2,030.18/3,045.27 = 731.75/x
  3. Step 3: Cross multiply
    2,030.18x = 3,045.27 × 731.75
  4. Step 4: Simplify right side
    2,030.18x = 2,228,361.10
  5. Step 5: Solve for x
    x = 2,228,361.10/2,030.18
  6. Step 6: Final answer
    x = 1,097.62

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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.