Home / 3,109.04-4,663.56-2,132.18

Finding the Fourth Proportional to 3,109.04, 4,663.56 and 2,132.18

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Solution

The fourth proportional to 3,109.04, 4,663.56 and 2,132.18 is: 3,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.04 : 4,663.56 = 2,132.18 : x
  2. Step 2: Convert to fraction form
    3,109.04/4,663.56 = 2,132.18/x
  3. Step 3: Cross multiply
    3,109.04x = 4,663.56 × 2,132.18
  4. Step 4: Simplify right side
    3,109.04x = 9,943,549.36
  5. Step 5: Solve for x
    x = 9,943,549.36/3,109.04
  6. Step 6: Final answer
    x = 3,198.27

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1.5x scale

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.