Home / 3,309.48-4,566.18-2,132.20

Finding the Fourth Proportional to 3,309.48, 4,566.18 and 2,132.20

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Solution

The fourth proportional to 3,309.48, 4,566.18 and 2,132.20 is: 2,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.48 : 4,566.18 = 2,132.20 : x
  2. Step 2: Convert to fraction form
    3,309.48/4,566.18 = 2,132.20/x
  3. Step 3: Cross multiply
    3,309.48x = 4,566.18 × 2,132.20
  4. Step 4: Simplify right side
    3,309.48x = 9,736,009.00
  5. Step 5: Solve for x
    x = 9,736,009.00/3,309.48
  6. Step 6: Final answer
    x = 2,941.85

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1.5x scale

Why These Related Problems?

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