Home / 5,206.68-7,184.28-3,081.16

Finding the Fourth Proportional to 5,206.68, 7,184.28 and 3,081.16

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Solution

The fourth proportional to 5,206.68, 7,184.28 and 3,081.16 is: 4,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.68 : 7,184.28 = 3,081.16 : x
  2. Step 2: Convert to fraction form
    5,206.68/7,184.28 = 3,081.16/x
  3. Step 3: Cross multiply
    5,206.68x = 7,184.28 × 3,081.16
  4. Step 4: Simplify right side
    5,206.68x = 22,135,916.16
  5. Step 5: Solve for x
    x = 22,135,916.16/5,206.68
  6. Step 6: Final answer
    x = 4,251.45

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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.