Home / 2,753.91-4,129.45-1,110.02

Finding the Fourth Proportional to 2,753.91, 4,129.45 and 1,110.02

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Solution

The fourth proportional to 2,753.91, 4,129.45 and 1,110.02 is: 1,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.91 : 4,129.45 = 1,110.02 : x
  2. Step 2: Convert to fraction form
    2,753.91/4,129.45 = 1,110.02/x
  3. Step 3: Cross multiply
    2,753.91x = 4,129.45 × 1,110.02
  4. Step 4: Simplify right side
    2,753.91x = 4,583,748.67
  5. Step 5: Solve for x
    x = 4,583,748.67/2,753.91
  6. Step 6: Final answer
    x = 1,664.45

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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.