Home / 4,982.28-6,875.68-2,886.24

Finding the Fourth Proportional to 4,982.28, 6,875.68 and 2,886.24

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Solution

The fourth proportional to 4,982.28, 6,875.68 and 2,886.24 is: 3,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.28 : 6,875.68 = 2,886.24 : x
  2. Step 2: Convert to fraction form
    4,982.28/6,875.68 = 2,886.24/x
  3. Step 3: Cross multiply
    4,982.28x = 6,875.68 × 2,886.24
  4. Step 4: Simplify right side
    4,982.28x = 19,844,862.64
  5. Step 5: Solve for x
    x = 19,844,862.64/4,982.28
  6. Step 6: Final answer
    x = 3,983.09

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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.