Home / 2,757.02-4,132.76-1,113.08

Finding the Fourth Proportional to 2,757.02, 4,132.76 and 1,113.08

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Solution

The fourth proportional to 2,757.02, 4,132.76 and 1,113.08 is: 1,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.02 : 4,132.76 = 1,113.08 : x
  2. Step 2: Convert to fraction form
    2,757.02/4,132.76 = 1,113.08/x
  3. Step 3: Cross multiply
    2,757.02x = 4,132.76 × 1,113.08
  4. Step 4: Simplify right side
    2,757.02x = 4,600,092.50
  5. Step 5: Solve for x
    x = 4,600,092.50/2,757.02
  6. Step 6: Final answer
    x = 1,668.50

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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.