Home / 4,220.32-6,331.71-1,754.68

Finding the Fourth Proportional to 4,220.32, 6,331.71 and 1,754.68

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Solution

The fourth proportional to 4,220.32, 6,331.71 and 1,754.68 is: 2,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.32 : 6,331.71 = 1,754.68 : x
  2. Step 2: Convert to fraction form
    4,220.32/6,331.71 = 1,754.68/x
  3. Step 3: Cross multiply
    4,220.32x = 6,331.71 × 1,754.68
  4. Step 4: Simplify right side
    4,220.32x = 11,110,124.90
  5. Step 5: Solve for x
    x = 11,110,124.90/4,220.32
  6. Step 6: Final answer
    x = 2,632.53

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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.