Home / 5,246.75-7,870.13-2,168.83

Finding the Fourth Proportional to 5,246.75, 7,870.13 and 2,168.83

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Solution

The fourth proportional to 5,246.75, 7,870.13 and 2,168.83 is: 3,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.75 : 7,870.13 = 2,168.83 : x
  2. Step 2: Convert to fraction form
    5,246.75/7,870.13 = 2,168.83/x
  3. Step 3: Cross multiply
    5,246.75x = 7,870.13 × 2,168.83
  4. Step 4: Simplify right side
    5,246.75x = 17,068,974.05
  5. Step 5: Solve for x
    x = 17,068,974.05/5,246.75
  6. Step 6: Final answer
    x = 3,253.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.