Home / 3,926.13-5,417.74-2,247.15

Finding the Fourth Proportional to 3,926.13, 5,417.74 and 2,247.15

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Solution

The fourth proportional to 3,926.13, 5,417.74 and 2,247.15 is: 3,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.13 : 5,417.74 = 2,247.15 : x
  2. Step 2: Convert to fraction form
    3,926.13/5,417.74 = 2,247.15/x
  3. Step 3: Cross multiply
    3,926.13x = 5,417.74 × 2,247.15
  4. Step 4: Simplify right side
    3,926.13x = 12,174,463.21
  5. Step 5: Solve for x
    x = 12,174,463.21/3,926.13
  6. Step 6: Final answer
    x = 3,100.89

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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.