Home / 5,236.13-7,225.89-2,878.43

Finding the Fourth Proportional to 5,236.13, 7,225.89 and 2,878.43

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Solution

The fourth proportional to 5,236.13, 7,225.89 and 2,878.43 is: 3,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.13 : 7,225.89 = 2,878.43 : x
  2. Step 2: Convert to fraction form
    5,236.13/7,225.89 = 2,878.43/x
  3. Step 3: Cross multiply
    5,236.13x = 7,225.89 × 2,878.43
  4. Step 4: Simplify right side
    5,236.13x = 20,799,171.63
  5. Step 5: Solve for x
    x = 20,799,171.63/5,236.13
  6. Step 6: Final answer
    x = 3,972.24

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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.