Home / 4,220.48-5,823.76-2,331.95

Finding the Fourth Proportional to 4,220.48, 5,823.76 and 2,331.95

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Solution

The fourth proportional to 4,220.48, 5,823.76 and 2,331.95 is: 3,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.48 : 5,823.76 = 2,331.95 : x
  2. Step 2: Convert to fraction form
    4,220.48/5,823.76 = 2,331.95/x
  3. Step 3: Cross multiply
    4,220.48x = 5,823.76 × 2,331.95
  4. Step 4: Simplify right side
    4,220.48x = 13,580,717.13
  5. Step 5: Solve for x
    x = 13,580,717.13/4,220.48
  6. Step 6: Final answer
    x = 3,217.81

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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.