Home / 2,753.96-4,132.49-1,111.67

Finding the Fourth Proportional to 2,753.96, 4,132.49 and 1,111.67

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Solution

The fourth proportional to 2,753.96, 4,132.49 and 1,111.67 is: 1,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.96 : 4,132.49 = 1,111.67 : x
  2. Step 2: Convert to fraction form
    2,753.96/4,132.49 = 1,111.67/x
  3. Step 3: Cross multiply
    2,753.96x = 4,132.49 × 1,111.67
  4. Step 4: Simplify right side
    2,753.96x = 4,593,965.16
  5. Step 5: Solve for x
    x = 4,593,965.16/2,753.96
  6. Step 6: Final answer
    x = 1,668.13

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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.