Home / 4,254.50-6,381.69-1,332.83

Finding the Fourth Proportional to 4,254.50, 6,381.69 and 1,332.83

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Solution

The fourth proportional to 4,254.50, 6,381.69 and 1,332.83 is: 1,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.50 : 6,381.69 = 1,332.83 : x
  2. Step 2: Convert to fraction form
    4,254.50/6,381.69 = 1,332.83/x
  3. Step 3: Cross multiply
    4,254.50x = 6,381.69 × 1,332.83
  4. Step 4: Simplify right side
    4,254.50x = 8,505,675.97
  5. Step 5: Solve for x
    x = 8,505,675.97/4,254.50
  6. Step 6: Final answer
    x = 1,999.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.