Home / 7,317.11-10,976.72-2,385.53

Finding the Fourth Proportional to 7,317.11, 10,976.72 and 2,385.53

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Solution

The fourth proportional to 7,317.11, 10,976.72 and 2,385.53 is: 3,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.11 : 10,976.72 = 2,385.53 : x
  2. Step 2: Convert to fraction form
    7,317.11/10,976.72 = 2,385.53/x
  3. Step 3: Cross multiply
    7,317.11x = 10,976.72 × 2,385.53
  4. Step 4: Simplify right side
    7,317.11x = 26,185,228.05
  5. Step 5: Solve for x
    x = 26,185,228.05/7,317.11
  6. Step 6: Final answer
    x = 3,578.63

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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.