Home / 6,458.73-9,687.75-2,075.85

Finding the Fourth Proportional to 6,458.73, 9,687.75 and 2,075.85

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Solution

The fourth proportional to 6,458.73, 9,687.75 and 2,075.85 is: 3,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.73 : 9,687.75 = 2,075.85 : x
  2. Step 2: Convert to fraction form
    6,458.73/9,687.75 = 2,075.85/x
  3. Step 3: Cross multiply
    6,458.73x = 9,687.75 × 2,075.85
  4. Step 4: Simplify right side
    6,458.73x = 20,110,315.84
  5. Step 5: Solve for x
    x = 20,110,315.84/6,458.73
  6. Step 6: Final answer
    x = 3,113.66

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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.