Home / 7,239.75-10,863.40-3,952.23

Finding the Fourth Proportional to 7,239.75, 10,863.40 and 3,952.23

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Solution

The fourth proportional to 7,239.75, 10,863.40 and 3,952.23 is: 5,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.75 : 10,863.40 = 3,952.23 : x
  2. Step 2: Convert to fraction form
    7,239.75/10,863.40 = 3,952.23/x
  3. Step 3: Cross multiply
    7,239.75x = 10,863.40 × 3,952.23
  4. Step 4: Simplify right side
    7,239.75x = 42,934,655.38
  5. Step 5: Solve for x
    x = 42,934,655.38/7,239.75
  6. Step 6: Final answer
    x = 5,930.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.