Home / 4,152.32-5,729.78-2,450.78

Finding the Fourth Proportional to 4,152.32, 5,729.78 and 2,450.78

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Solution

The fourth proportional to 4,152.32, 5,729.78 and 2,450.78 is: 3,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.32 : 5,729.78 = 2,450.78 : x
  2. Step 2: Convert to fraction form
    4,152.32/5,729.78 = 2,450.78/x
  3. Step 3: Cross multiply
    4,152.32x = 5,729.78 × 2,450.78
  4. Step 4: Simplify right side
    4,152.32x = 14,042,389.33
  5. Step 5: Solve for x
    x = 14,042,389.33/4,152.32
  6. Step 6: Final answer
    x = 3,381.82

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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.