Home / 5,873.40-8,105.13-3,220.77

Finding the Fourth Proportional to 5,873.40, 8,105.13 and 3,220.77

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Solution

The fourth proportional to 5,873.40, 8,105.13 and 3,220.77 is: 4,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.40 : 8,105.13 = 3,220.77 : x
  2. Step 2: Convert to fraction form
    5,873.40/8,105.13 = 3,220.77/x
  3. Step 3: Cross multiply
    5,873.40x = 8,105.13 × 3,220.77
  4. Step 4: Simplify right side
    5,873.40x = 26,104,759.55
  5. Step 5: Solve for x
    x = 26,104,759.55/5,873.40
  6. Step 6: Final answer
    x = 4,444.57

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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.