Home / 6,217.28-8,574.08-4,119.04

Finding the Fourth Proportional to 6,217.28, 8,574.08 and 4,119.04

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Solution

The fourth proportional to 6,217.28, 8,574.08 and 4,119.04 is: 5,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.28 : 8,574.08 = 4,119.04 : x
  2. Step 2: Convert to fraction form
    6,217.28/8,574.08 = 4,119.04/x
  3. Step 3: Cross multiply
    6,217.28x = 8,574.08 × 4,119.04
  4. Step 4: Simplify right side
    6,217.28x = 35,316,978.48
  5. Step 5: Solve for x
    x = 35,316,978.48/6,217.28
  6. Step 6: Final answer
    x = 5,680.45

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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.