Home / 5,909.25-8,154.73-3,220.46

Finding the Fourth Proportional to 5,909.25, 8,154.73 and 3,220.46

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Solution

The fourth proportional to 5,909.25, 8,154.73 and 3,220.46 is: 4,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.25 : 8,154.73 = 3,220.46 : x
  2. Step 2: Convert to fraction form
    5,909.25/8,154.73 = 3,220.46/x
  3. Step 3: Cross multiply
    5,909.25x = 8,154.73 × 3,220.46
  4. Step 4: Simplify right side
    5,909.25x = 26,261,981.78
  5. Step 5: Solve for x
    x = 26,261,981.78/5,909.25
  6. Step 6: Final answer
    x = 4,444.22

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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.