Home / 5,176.46-7,144.18-3,853.94

Finding the Fourth Proportional to 5,176.46, 7,144.18 and 3,853.94

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Solution

The fourth proportional to 5,176.46, 7,144.18 and 3,853.94 is: 5,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.46 : 7,144.18 = 3,853.94 : x
  2. Step 2: Convert to fraction form
    5,176.46/7,144.18 = 3,853.94/x
  3. Step 3: Cross multiply
    5,176.46x = 7,144.18 × 3,853.94
  4. Step 4: Simplify right side
    5,176.46x = 27,533,195.71
  5. Step 5: Solve for x
    x = 27,533,195.71/5,176.46
  6. Step 6: Final answer
    x = 5,318.92

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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.