Home / 5,104.40-7,043.92-3,114.24

Finding the Fourth Proportional to 5,104.40, 7,043.92 and 3,114.24

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Solution

The fourth proportional to 5,104.40, 7,043.92 and 3,114.24 is: 4,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.40 : 7,043.92 = 3,114.24 : x
  2. Step 2: Convert to fraction form
    5,104.40/7,043.92 = 3,114.24/x
  3. Step 3: Cross multiply
    5,104.40x = 7,043.92 × 3,114.24
  4. Step 4: Simplify right side
    5,104.40x = 21,936,457.42
  5. Step 5: Solve for x
    x = 21,936,457.42/5,104.40
  6. Step 6: Final answer
    x = 4,297.56

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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.