Home / 4,968.13-6,856.01-2,872.39

Finding the Fourth Proportional to 4,968.13, 6,856.01 and 2,872.39

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Solution

The fourth proportional to 4,968.13, 6,856.01 and 2,872.39 is: 3,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.13 : 6,856.01 = 2,872.39 : x
  2. Step 2: Convert to fraction form
    4,968.13/6,856.01 = 2,872.39/x
  3. Step 3: Cross multiply
    4,968.13x = 6,856.01 × 2,872.39
  4. Step 4: Simplify right side
    4,968.13x = 19,693,107.46
  5. Step 5: Solve for x
    x = 19,693,107.46/4,968.13
  6. Step 6: Final answer
    x = 3,963.89

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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.