Home / 5,076.95-7,614.72-2,155.95

Finding the Fourth Proportional to 5,076.95, 7,614.72 and 2,155.95

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Solution

The fourth proportional to 5,076.95, 7,614.72 and 2,155.95 is: 3,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.95 : 7,614.72 = 2,155.95 : x
  2. Step 2: Convert to fraction form
    5,076.95/7,614.72 = 2,155.95/x
  3. Step 3: Cross multiply
    5,076.95x = 7,614.72 × 2,155.95
  4. Step 4: Simplify right side
    5,076.95x = 16,416,955.58
  5. Step 5: Solve for x
    x = 16,416,955.58/5,076.95
  6. Step 6: Final answer
    x = 3,233.63

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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.