Home / 5,039.24-7,551.16-2,115.94

Finding the Fourth Proportional to 5,039.24, 7,551.16 and 2,115.94

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Solution

The fourth proportional to 5,039.24, 7,551.16 and 2,115.94 is: 3,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.24 : 7,551.16 = 2,115.94 : x
  2. Step 2: Convert to fraction form
    5,039.24/7,551.16 = 2,115.94/x
  3. Step 3: Cross multiply
    5,039.24x = 7,551.16 × 2,115.94
  4. Step 4: Simplify right side
    5,039.24x = 15,977,801.49
  5. Step 5: Solve for x
    x = 15,977,801.49/5,039.24
  6. Step 6: Final answer
    x = 3,170.68

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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.