Home / 5,717.13-7,889.09-3,199.11

Finding the Fourth Proportional to 5,717.13, 7,889.09 and 3,199.11

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Solution

The fourth proportional to 5,717.13, 7,889.09 and 3,199.11 is: 4,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.13 : 7,889.09 = 3,199.11 : x
  2. Step 2: Convert to fraction form
    5,717.13/7,889.09 = 3,199.11/x
  3. Step 3: Cross multiply
    5,717.13x = 7,889.09 × 3,199.11
  4. Step 4: Simplify right side
    5,717.13x = 25,238,066.71
  5. Step 5: Solve for x
    x = 25,238,066.71/5,717.13
  6. Step 6: Final answer
    x = 4,414.46

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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.