Home / 4,589.28-6,883.86-1,126.50

Finding the Fourth Proportional to 4,589.28, 6,883.86 and 1,126.50

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Solution

The fourth proportional to 4,589.28, 6,883.86 and 1,126.50 is: 1,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.28 : 6,883.86 = 1,126.50 : x
  2. Step 2: Convert to fraction form
    4,589.28/6,883.86 = 1,126.50/x
  3. Step 3: Cross multiply
    4,589.28x = 6,883.86 × 1,126.50
  4. Step 4: Simplify right side
    4,589.28x = 7,754,668.29
  5. Step 5: Solve for x
    x = 7,754,668.29/4,589.28
  6. Step 6: Final answer
    x = 1,689.74

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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.