Home / 4,947.66-6,822.27-3,689.46

Finding the Fourth Proportional to 4,947.66, 6,822.27 and 3,689.46

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Solution

The fourth proportional to 4,947.66, 6,822.27 and 3,689.46 is: 5,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.66 : 6,822.27 = 3,689.46 : x
  2. Step 2: Convert to fraction form
    4,947.66/6,822.27 = 3,689.46/x
  3. Step 3: Cross multiply
    4,947.66x = 6,822.27 × 3,689.46
  4. Step 4: Simplify right side
    4,947.66x = 25,170,492.27
  5. Step 5: Solve for x
    x = 25,170,492.27/4,947.66
  6. Step 6: Final answer
    x = 5,087.35

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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.