Home / 3,076.95-4,247.33-2,332.56

Finding the Fourth Proportional to 3,076.95, 4,247.33 and 2,332.56

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Solution

The fourth proportional to 3,076.95, 4,247.33 and 2,332.56 is: 3,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.95 : 4,247.33 = 2,332.56 : x
  2. Step 2: Convert to fraction form
    3,076.95/4,247.33 = 2,332.56/x
  3. Step 3: Cross multiply
    3,076.95x = 4,247.33 × 2,332.56
  4. Step 4: Simplify right side
    3,076.95x = 9,907,140.40
  5. Step 5: Solve for x
    x = 9,907,140.40/3,076.95
  6. Step 6: Final answer
    x = 3,219.79

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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.