Home / 5,757.06-7,943.40-3,399.55

Finding the Fourth Proportional to 5,757.06, 7,943.40 and 3,399.55

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Solution

The fourth proportional to 5,757.06, 7,943.40 and 3,399.55 is: 4,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.06 : 7,943.40 = 3,399.55 : x
  2. Step 2: Convert to fraction form
    5,757.06/7,943.40 = 3,399.55/x
  3. Step 3: Cross multiply
    5,757.06x = 7,943.40 × 3,399.55
  4. Step 4: Simplify right side
    5,757.06x = 27,003,985.47
  5. Step 5: Solve for x
    x = 27,003,985.47/5,757.06
  6. Step 6: Final answer
    x = 4,690.59

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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.