Home / 2,684.17-3,704.18-1,565.79

Finding the Fourth Proportional to 2,684.17, 3,704.18 and 1,565.79

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Solution

The fourth proportional to 2,684.17, 3,704.18 and 1,565.79 is: 2,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.17 : 3,704.18 = 1,565.79 : x
  2. Step 2: Convert to fraction form
    2,684.17/3,704.18 = 1,565.79/x
  3. Step 3: Cross multiply
    2,684.17x = 3,704.18 × 1,565.79
  4. Step 4: Simplify right side
    2,684.17x = 5,799,968.00
  5. Step 5: Solve for x
    x = 5,799,968.00/2,684.17
  6. Step 6: Final answer
    x = 2,160.81

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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.