Home / 4,045.31-6,069.42-1,581.90

Finding the Fourth Proportional to 4,045.31, 6,069.42 and 1,581.90

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Solution

The fourth proportional to 4,045.31, 6,069.42 and 1,581.90 is: 2,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.31 : 6,069.42 = 1,581.90 : x
  2. Step 2: Convert to fraction form
    4,045.31/6,069.42 = 1,581.90/x
  3. Step 3: Cross multiply
    4,045.31x = 6,069.42 × 1,581.90
  4. Step 4: Simplify right side
    4,045.31x = 9,601,215.50
  5. Step 5: Solve for x
    x = 9,601,215.50/4,045.31
  6. Step 6: Final answer
    x = 2,373.42

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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.