Home / 6,871.28-9,482.36-3,727.48

Finding the Fourth Proportional to 6,871.28, 9,482.36 and 3,727.48

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Solution

The fourth proportional to 6,871.28, 9,482.36 and 3,727.48 is: 5,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.28 : 9,482.36 = 3,727.48 : x
  2. Step 2: Convert to fraction form
    6,871.28/9,482.36 = 3,727.48/x
  3. Step 3: Cross multiply
    6,871.28x = 9,482.36 × 3,727.48
  4. Step 4: Simplify right side
    6,871.28x = 35,345,307.25
  5. Step 5: Solve for x
    x = 35,345,307.25/6,871.28
  6. Step 6: Final answer
    x = 5,143.92

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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.