Home / 4,912.76-6,780.17-2,923.32

Finding the Fourth Proportional to 4,912.76, 6,780.17 and 2,923.32

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Solution

The fourth proportional to 4,912.76, 6,780.17 and 2,923.32 is: 4,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.76 : 6,780.17 = 2,923.32 : x
  2. Step 2: Convert to fraction form
    4,912.76/6,780.17 = 2,923.32/x
  3. Step 3: Cross multiply
    4,912.76x = 6,780.17 × 2,923.32
  4. Step 4: Simplify right side
    4,912.76x = 19,820,595.84
  5. Step 5: Solve for x
    x = 19,820,595.84/4,912.76
  6. Step 6: Final answer
    x = 4,034.51

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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.