Home / 4,868.29-6,721.32-3,747.12

Finding the Fourth Proportional to 4,868.29, 6,721.32 and 3,747.12

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Solution

The fourth proportional to 4,868.29, 6,721.32 and 3,747.12 is: 5,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.29 : 6,721.32 = 3,747.12 : x
  2. Step 2: Convert to fraction form
    4,868.29/6,721.32 = 3,747.12/x
  3. Step 3: Cross multiply
    4,868.29x = 6,721.32 × 3,747.12
  4. Step 4: Simplify right side
    4,868.29x = 25,185,592.60
  5. Step 5: Solve for x
    x = 25,185,592.60/4,868.29
  6. Step 6: Final answer
    x = 5,173.40

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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.