Home / 5,075.85-7,005.54-2,952.61

Finding the Fourth Proportional to 5,075.85, 7,005.54 and 2,952.61

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Solution

The fourth proportional to 5,075.85, 7,005.54 and 2,952.61 is: 4,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.85 : 7,005.54 = 2,952.61 : x
  2. Step 2: Convert to fraction form
    5,075.85/7,005.54 = 2,952.61/x
  3. Step 3: Cross multiply
    5,075.85x = 7,005.54 × 2,952.61
  4. Step 4: Simplify right side
    5,075.85x = 20,684,659.52
  5. Step 5: Solve for x
    x = 20,684,659.52/5,075.85
  6. Step 6: Final answer
    x = 4,075.11

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Why These Related Problems?

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