Home / 7,931.46-11,897.22-3,002.64

Finding the Fourth Proportional to 7,931.46, 11,897.22 and 3,002.64

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Solution

The fourth proportional to 7,931.46, 11,897.22 and 3,002.64 is: 4,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.46 : 11,897.22 = 3,002.64 : x
  2. Step 2: Convert to fraction form
    7,931.46/11,897.22 = 3,002.64/x
  3. Step 3: Cross multiply
    7,931.46x = 11,897.22 × 3,002.64
  4. Step 4: Simplify right side
    7,931.46x = 35,723,068.66
  5. Step 5: Solve for x
    x = 35,723,068.66/7,931.46
  6. Step 6: Final answer
    x = 4,503.97

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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.