Home / 4,285.50-5,913.99-2,422.86

Finding the Fourth Proportional to 4,285.50, 5,913.99 and 2,422.86

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Solution

The fourth proportional to 4,285.50, 5,913.99 and 2,422.86 is: 3,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.50 : 5,913.99 = 2,422.86 : x
  2. Step 2: Convert to fraction form
    4,285.50/5,913.99 = 2,422.86/x
  3. Step 3: Cross multiply
    4,285.50x = 5,913.99 × 2,422.86
  4. Step 4: Simplify right side
    4,285.50x = 14,328,769.81
  5. Step 5: Solve for x
    x = 14,328,769.81/4,285.50
  6. Step 6: Final answer
    x = 3,343.55

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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.