Home / 4,943.75-6,822.17-2,955.40

Finding the Fourth Proportional to 4,943.75, 6,822.17 and 2,955.40

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Solution

The fourth proportional to 4,943.75, 6,822.17 and 2,955.40 is: 4,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.75 : 6,822.17 = 2,955.40 : x
  2. Step 2: Convert to fraction form
    4,943.75/6,822.17 = 2,955.40/x
  3. Step 3: Cross multiply
    4,943.75x = 6,822.17 × 2,955.40
  4. Step 4: Simplify right side
    4,943.75x = 20,162,241.22
  5. Step 5: Solve for x
    x = 20,162,241.22/4,943.75
  6. Step 6: Final answer
    x = 4,078.33

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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.