Home / 2,089.20-2,882.88-1,756.74

Finding the Fourth Proportional to 2,089.20, 2,882.88 and 1,756.74

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Solution

The fourth proportional to 2,089.20, 2,882.88 and 1,756.74 is: 2,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.20 : 2,882.88 = 1,756.74 : x
  2. Step 2: Convert to fraction form
    2,089.20/2,882.88 = 1,756.74/x
  3. Step 3: Cross multiply
    2,089.20x = 2,882.88 × 1,756.74
  4. Step 4: Simplify right side
    2,089.20x = 5,064,470.61
  5. Step 5: Solve for x
    x = 5,064,470.61/2,089.20
  6. Step 6: Final answer
    x = 2,424.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.