Home / 2,685.27-3,697.26-2,439.24

Finding the Fourth Proportional to 2,685.27, 3,697.26 and 2,439.24

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Solution

The fourth proportional to 2,685.27, 3,697.26 and 2,439.24 is: 3,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.27 : 3,697.26 = 2,439.24 : x
  2. Step 2: Convert to fraction form
    2,685.27/3,697.26 = 2,439.24/x
  3. Step 3: Cross multiply
    2,685.27x = 3,697.26 × 2,439.24
  4. Step 4: Simplify right side
    2,685.27x = 9,018,473.80
  5. Step 5: Solve for x
    x = 9,018,473.80/2,685.27
  6. Step 6: Final answer
    x = 3,358.50

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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.