Home / 5,889.36-8,121.15-4,394.88

Finding the Fourth Proportional to 5,889.36, 8,121.15 and 4,394.88

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Solution

The fourth proportional to 5,889.36, 8,121.15 and 4,394.88 is: 6,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.36 : 8,121.15 = 4,394.88 : x
  2. Step 2: Convert to fraction form
    5,889.36/8,121.15 = 4,394.88/x
  3. Step 3: Cross multiply
    5,889.36x = 8,121.15 × 4,394.88
  4. Step 4: Simplify right side
    5,889.36x = 35,691,479.71
  5. Step 5: Solve for x
    x = 35,691,479.71/5,889.36
  6. Step 6: Final answer
    x = 6,060.33

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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.