Home / 5,397.94-7,449.40-3,040.23

Finding the Fourth Proportional to 5,397.94, 7,449.40 and 3,040.23

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Solution

The fourth proportional to 5,397.94, 7,449.40 and 3,040.23 is: 4,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.94 : 7,449.40 = 3,040.23 : x
  2. Step 2: Convert to fraction form
    5,397.94/7,449.40 = 3,040.23/x
  3. Step 3: Cross multiply
    5,397.94x = 7,449.40 × 3,040.23
  4. Step 4: Simplify right side
    5,397.94x = 22,647,889.36
  5. Step 5: Solve for x
    x = 22,647,889.36/5,397.94
  6. Step 6: Final answer
    x = 4,195.65

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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.