Home / 5,246.25-7,869.38-2,168.33

Finding the Fourth Proportional to 5,246.25, 7,869.38 and 2,168.33

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Solution

The fourth proportional to 5,246.25, 7,869.38 and 2,168.33 is: 3,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.25 : 7,869.38 = 2,168.33 : x
  2. Step 2: Convert to fraction form
    5,246.25/7,869.38 = 2,168.33/x
  3. Step 3: Cross multiply
    5,246.25x = 7,869.38 × 2,168.33
  4. Step 4: Simplify right side
    5,246.25x = 17,063,412.74
  5. Step 5: Solve for x
    x = 17,063,412.74/5,246.25
  6. Step 6: Final answer
    x = 3,252.50

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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.