Home / 5,348.44-7,381.01-2,990.57

Finding the Fourth Proportional to 5,348.44, 7,381.01 and 2,990.57

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Solution

The fourth proportional to 5,348.44, 7,381.01 and 2,990.57 is: 4,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.44 : 7,381.01 = 2,990.57 : x
  2. Step 2: Convert to fraction form
    5,348.44/7,381.01 = 2,990.57/x
  3. Step 3: Cross multiply
    5,348.44x = 7,381.01 × 2,990.57
  4. Step 4: Simplify right side
    5,348.44x = 22,073,453.00
  5. Step 5: Solve for x
    x = 22,073,453.00/5,348.44
  6. Step 6: Final answer
    x = 4,127.08

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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.