Home / 5,022.98-6,931.72-2,784.88

Finding the Fourth Proportional to 5,022.98, 6,931.72 and 2,784.88

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Solution

The fourth proportional to 5,022.98, 6,931.72 and 2,784.88 is: 3,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.98 : 6,931.72 = 2,784.88 : x
  2. Step 2: Convert to fraction form
    5,022.98/6,931.72 = 2,784.88/x
  3. Step 3: Cross multiply
    5,022.98x = 6,931.72 × 2,784.88
  4. Step 4: Simplify right side
    5,022.98x = 19,304,008.39
  5. Step 5: Solve for x
    x = 19,304,008.39/5,022.98
  6. Step 6: Final answer
    x = 3,843.14

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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.