Home / 7,049.14-9,727.81-3,862.56

Finding the Fourth Proportional to 7,049.14, 9,727.81 and 3,862.56

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Solution

The fourth proportional to 7,049.14, 9,727.81 and 3,862.56 is: 5,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.14 : 9,727.81 = 3,862.56 : x
  2. Step 2: Convert to fraction form
    7,049.14/9,727.81 = 3,862.56/x
  3. Step 3: Cross multiply
    7,049.14x = 9,727.81 × 3,862.56
  4. Step 4: Simplify right side
    7,049.14x = 37,574,210.90
  5. Step 5: Solve for x
    x = 37,574,210.90/7,049.14
  6. Step 6: Final answer
    x = 5,330.33

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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.