Home / 7,721.16-10,655.25-4,184.39

Finding the Fourth Proportional to 7,721.16, 10,655.25 and 4,184.39

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Solution

The fourth proportional to 7,721.16, 10,655.25 and 4,184.39 is: 5,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.16 : 10,655.25 = 4,184.39 : x
  2. Step 2: Convert to fraction form
    7,721.16/10,655.25 = 4,184.39/x
  3. Step 3: Cross multiply
    7,721.16x = 10,655.25 × 4,184.39
  4. Step 4: Simplify right side
    7,721.16x = 44,585,732.49
  5. Step 5: Solve for x
    x = 44,585,732.49/7,721.16
  6. Step 6: Final answer
    x = 5,774.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.