Home / 7,397.24-10,207.96-4,040

Finding the Fourth Proportional to 7,397.24, 10,207.96 and 4,040

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Solution

The fourth proportional to 7,397.24, 10,207.96 and 4,040 is: 5,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.24 : 10,207.96 = 4,040 : x
  2. Step 2: Convert to fraction form
    7,397.24/10,207.96 = 4,040/x
  3. Step 3: Cross multiply
    7,397.24x = 10,207.96 × 4,040
  4. Step 4: Simplify right side
    7,397.24x = 41,240,158.40
  5. Step 5: Solve for x
    x = 41,240,158.40/7,397.24
  6. Step 6: Final answer
    x = 5,575.07

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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.