Home / 4,816.13-7,232.43-2,978.11

Finding the Fourth Proportional to 4,816.13, 7,232.43 and 2,978.11

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Solution

The fourth proportional to 4,816.13, 7,232.43 and 2,978.11 is: 4,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.13 : 7,232.43 = 2,978.11 : x
  2. Step 2: Convert to fraction form
    4,816.13/7,232.43 = 2,978.11/x
  3. Step 3: Cross multiply
    4,816.13x = 7,232.43 × 2,978.11
  4. Step 4: Simplify right side
    4,816.13x = 21,538,935.95
  5. Step 5: Solve for x
    x = 21,538,935.95/4,816.13
  6. Step 6: Final answer
    x = 4,472.25

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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.