Home / 5,799.11-8,009.30-3,918.46

Finding the Fourth Proportional to 5,799.11, 8,009.30 and 3,918.46

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Solution

The fourth proportional to 5,799.11, 8,009.30 and 3,918.46 is: 5,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.11 : 8,009.30 = 3,918.46 : x
  2. Step 2: Convert to fraction form
    5,799.11/8,009.30 = 3,918.46/x
  3. Step 3: Cross multiply
    5,799.11x = 8,009.30 × 3,918.46
  4. Step 4: Simplify right side
    5,799.11x = 31,384,062.04
  5. Step 5: Solve for x
    x = 31,384,062.04/5,799.11
  6. Step 6: Final answer
    x = 5,411.88

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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.