Home / 3,758.01-5,185.87-2,079.39

Finding the Fourth Proportional to 3,758.01, 5,185.87 and 2,079.39

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Solution

The fourth proportional to 3,758.01, 5,185.87 and 2,079.39 is: 2,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.01 : 5,185.87 = 2,079.39 : x
  2. Step 2: Convert to fraction form
    3,758.01/5,185.87 = 2,079.39/x
  3. Step 3: Cross multiply
    3,758.01x = 5,185.87 × 2,079.39
  4. Step 4: Simplify right side
    3,758.01x = 10,783,442.99
  5. Step 5: Solve for x
    x = 10,783,442.99/3,758.01
  6. Step 6: Final answer
    x = 2,869.45

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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.