Home / 4,671.28-6,446.11-2,681.79

Finding the Fourth Proportional to 4,671.28, 6,446.11 and 2,681.79

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Solution

The fourth proportional to 4,671.28, 6,446.11 and 2,681.79 is: 3,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.28 : 6,446.11 = 2,681.79 : x
  2. Step 2: Convert to fraction form
    4,671.28/6,446.11 = 2,681.79/x
  3. Step 3: Cross multiply
    4,671.28x = 6,446.11 × 2,681.79
  4. Step 4: Simplify right side
    4,671.28x = 17,287,113.34
  5. Step 5: Solve for x
    x = 17,287,113.34/4,671.28
  6. Step 6: Final answer
    x = 3,700.72

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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.