Home / 5,075.92-7,613.79-1,997.92

Finding the Fourth Proportional to 5,075.92, 7,613.79 and 1,997.92

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Solution

The fourth proportional to 5,075.92, 7,613.79 and 1,997.92 is: 2,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.92 : 7,613.79 = 1,997.92 : x
  2. Step 2: Convert to fraction form
    5,075.92/7,613.79 = 1,997.92/x
  3. Step 3: Cross multiply
    5,075.92x = 7,613.79 × 1,997.92
  4. Step 4: Simplify right side
    5,075.92x = 15,211,743.32
  5. Step 5: Solve for x
    x = 15,211,743.32/5,075.92
  6. Step 6: Final answer
    x = 2,996.84

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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.