Home / 3,261.44-4,500.76-1,769.40

Finding the Fourth Proportional to 3,261.44, 4,500.76 and 1,769.40

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Solution

The fourth proportional to 3,261.44, 4,500.76 and 1,769.40 is: 2,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.44 : 4,500.76 = 1,769.40 : x
  2. Step 2: Convert to fraction form
    3,261.44/4,500.76 = 1,769.40/x
  3. Step 3: Cross multiply
    3,261.44x = 4,500.76 × 1,769.40
  4. Step 4: Simplify right side
    3,261.44x = 7,963,644.74
  5. Step 5: Solve for x
    x = 7,963,644.74/3,261.44
  6. Step 6: Final answer
    x = 2,441.76

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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.