Home / 2,716.02-4,073.55-768.18

Finding the Fourth Proportional to 2,716.02, 4,073.55 and 768.18

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Solution

The fourth proportional to 2,716.02, 4,073.55 and 768.18 is: 1,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.02 : 4,073.55 = 768.18 : x
  2. Step 2: Convert to fraction form
    2,716.02/4,073.55 = 768.18/x
  3. Step 3: Cross multiply
    2,716.02x = 4,073.55 × 768.18
  4. Step 4: Simplify right side
    2,716.02x = 3,129,219.64
  5. Step 5: Solve for x
    x = 3,129,219.64/2,716.02
  6. Step 6: Final answer
    x = 1,152.13

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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.