Home / 5,022.96-6,931.50-2,785.04

Finding the Fourth Proportional to 5,022.96, 6,931.50 and 2,785.04

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Solution

The fourth proportional to 5,022.96, 6,931.50 and 2,785.04 is: 3,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.96 : 6,931.50 = 2,785.04 : x
  2. Step 2: Convert to fraction form
    5,022.96/6,931.50 = 2,785.04/x
  3. Step 3: Cross multiply
    5,022.96x = 6,931.50 × 2,785.04
  4. Step 4: Simplify right side
    5,022.96x = 19,304,504.76
  5. Step 5: Solve for x
    x = 19,304,504.76/5,022.96
  6. Step 6: Final answer
    x = 3,843.25

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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.