Home / 3,846.15-5,307.76-2,253.95

Finding the Fourth Proportional to 3,846.15, 5,307.76 and 2,253.95

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Solution

The fourth proportional to 3,846.15, 5,307.76 and 2,253.95 is: 3,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.15 : 5,307.76 = 2,253.95 : x
  2. Step 2: Convert to fraction form
    3,846.15/5,307.76 = 2,253.95/x
  3. Step 3: Cross multiply
    3,846.15x = 5,307.76 × 2,253.95
  4. Step 4: Simplify right side
    3,846.15x = 11,963,399.11
  5. Step 5: Solve for x
    x = 11,963,399.11/3,846.15
  6. Step 6: Final answer
    x = 3,110.49

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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.