Home / 5,857.72-8,075.25-4,176.21

Finding the Fourth Proportional to 5,857.72, 8,075.25 and 4,176.21

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Solution

The fourth proportional to 5,857.72, 8,075.25 and 4,176.21 is: 5,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.72 : 8,075.25 = 4,176.21 : x
  2. Step 2: Convert to fraction form
    5,857.72/8,075.25 = 4,176.21/x
  3. Step 3: Cross multiply
    5,857.72x = 8,075.25 × 4,176.21
  4. Step 4: Simplify right side
    5,857.72x = 33,723,918.92
  5. Step 5: Solve for x
    x = 33,723,918.92/5,857.72
  6. Step 6: Final answer
    x = 5,757.17

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1.5x scale

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.