Home / 5,154.74-7,113.66-3,164.16

Finding the Fourth Proportional to 5,154.74, 7,113.66 and 3,164.16

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Solution

The fourth proportional to 5,154.74, 7,113.66 and 3,164.16 is: 4,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.74 : 7,113.66 = 3,164.16 : x
  2. Step 2: Convert to fraction form
    5,154.74/7,113.66 = 3,164.16/x
  3. Step 3: Cross multiply
    5,154.74x = 7,113.66 × 3,164.16
  4. Step 4: Simplify right side
    5,154.74x = 22,508,758.43
  5. Step 5: Solve for x
    x = 22,508,758.43/5,154.74
  6. Step 6: Final answer
    x = 4,366.62

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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.