Home / 3,292.20-4,543.20-1,966.68

Finding the Fourth Proportional to 3,292.20, 4,543.20 and 1,966.68

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Solution

The fourth proportional to 3,292.20, 4,543.20 and 1,966.68 is: 2,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.20 : 4,543.20 = 1,966.68 : x
  2. Step 2: Convert to fraction form
    3,292.20/4,543.20 = 1,966.68/x
  3. Step 3: Cross multiply
    3,292.20x = 4,543.20 × 1,966.68
  4. Step 4: Simplify right side
    3,292.20x = 8,935,020.58
  5. Step 5: Solve for x
    x = 8,935,020.58/3,292.20
  6. Step 6: Final answer
    x = 2,714.00

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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.