Home / 5,075.03-7,605.25-2,149.31

Finding the Fourth Proportional to 5,075.03, 7,605.25 and 2,149.31

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Solution

The fourth proportional to 5,075.03, 7,605.25 and 2,149.31 is: 3,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.03 : 7,605.25 = 2,149.31 : x
  2. Step 2: Convert to fraction form
    5,075.03/7,605.25 = 2,149.31/x
  3. Step 3: Cross multiply
    5,075.03x = 7,605.25 × 2,149.31
  4. Step 4: Simplify right side
    5,075.03x = 16,346,039.88
  5. Step 5: Solve for x
    x = 16,346,039.88/5,075.03
  6. Step 6: Final answer
    x = 3,220.88

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1.5x scale

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.