Home / 6,727.25-9,280.14-3,931.13

Finding the Fourth Proportional to 6,727.25, 9,280.14 and 3,931.13

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Solution

The fourth proportional to 6,727.25, 9,280.14 and 3,931.13 is: 5,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,727.25 : 9,280.14 = 3,931.13 : x
  2. Step 2: Convert to fraction form
    6,727.25/9,280.14 = 3,931.13/x
  3. Step 3: Cross multiply
    6,727.25x = 9,280.14 × 3,931.13
  4. Step 4: Simplify right side
    6,727.25x = 36,481,390.36
  5. Step 5: Solve for x
    x = 36,481,390.36/6,727.25
  6. Step 6: Final answer
    x = 5,422.93

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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.