Home / 5,023.11-6,931.71-2,784.90

Finding the Fourth Proportional to 5,023.11, 6,931.71 and 2,784.90

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Solution

The fourth proportional to 5,023.11, 6,931.71 and 2,784.90 is: 3,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.11 : 6,931.71 = 2,784.90 : x
  2. Step 2: Convert to fraction form
    5,023.11/6,931.71 = 2,784.90/x
  3. Step 3: Cross multiply
    5,023.11x = 6,931.71 × 2,784.90
  4. Step 4: Simplify right side
    5,023.11x = 19,304,119.18
  5. Step 5: Solve for x
    x = 19,304,119.18/5,023.11
  6. Step 6: Final answer
    x = 3,843.06

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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.