Home / 7,321.78-10,101.67-4,670.04

Finding the Fourth Proportional to 7,321.78, 10,101.67 and 4,670.04

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Solution

The fourth proportional to 7,321.78, 10,101.67 and 4,670.04 is: 6,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.78 : 10,101.67 = 4,670.04 : x
  2. Step 2: Convert to fraction form
    7,321.78/10,101.67 = 4,670.04/x
  3. Step 3: Cross multiply
    7,321.78x = 10,101.67 × 4,670.04
  4. Step 4: Simplify right side
    7,321.78x = 47,175,202.97
  5. Step 5: Solve for x
    x = 47,175,202.97/7,321.78
  6. Step 6: Final answer
    x = 6,443.13

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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.