Home / 3,648.90-5,474.38-1,675.82

Finding the Fourth Proportional to 3,648.90, 5,474.38 and 1,675.82

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Solution

The fourth proportional to 3,648.90, 5,474.38 and 1,675.82 is: 2,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.90 : 5,474.38 = 1,675.82 : x
  2. Step 2: Convert to fraction form
    3,648.90/5,474.38 = 1,675.82/x
  3. Step 3: Cross multiply
    3,648.90x = 5,474.38 × 1,675.82
  4. Step 4: Simplify right side
    3,648.90x = 9,174,075.49
  5. Step 5: Solve for x
    x = 9,174,075.49/3,648.90
  6. Step 6: Final answer
    x = 2,514.20

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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.