Home / 5,873.41-8,105.35-3,220.79

Finding the Fourth Proportional to 5,873.41, 8,105.35 and 3,220.79

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Solution

The fourth proportional to 5,873.41, 8,105.35 and 3,220.79 is: 4,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.41 : 8,105.35 = 3,220.79 : x
  2. Step 2: Convert to fraction form
    5,873.41/8,105.35 = 3,220.79/x
  3. Step 3: Cross multiply
    5,873.41x = 8,105.35 × 3,220.79
  4. Step 4: Simplify right side
    5,873.41x = 26,105,630.23
  5. Step 5: Solve for x
    x = 26,105,630.23/5,873.41
  6. Step 6: Final answer
    x = 4,444.72

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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.