Home / 7,075.17-10,612.44-2,144.61

Finding the Fourth Proportional to 7,075.17, 10,612.44 and 2,144.61

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Solution

The fourth proportional to 7,075.17, 10,612.44 and 2,144.61 is: 3,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.17 : 10,612.44 = 2,144.61 : x
  2. Step 2: Convert to fraction form
    7,075.17/10,612.44 = 2,144.61/x
  3. Step 3: Cross multiply
    7,075.17x = 10,612.44 × 2,144.61
  4. Step 4: Simplify right side
    7,075.17x = 22,759,544.95
  5. Step 5: Solve for x
    x = 22,759,544.95/7,075.17
  6. Step 6: Final answer
    x = 3,216.82

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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.