Home / 3,376.01-4,654.58-2,808.74

Finding the Fourth Proportional to 3,376.01, 4,654.58 and 2,808.74

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Solution

The fourth proportional to 3,376.01, 4,654.58 and 2,808.74 is: 3,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.01 : 4,654.58 = 2,808.74 : x
  2. Step 2: Convert to fraction form
    3,376.01/4,654.58 = 2,808.74/x
  3. Step 3: Cross multiply
    3,376.01x = 4,654.58 × 2,808.74
  4. Step 4: Simplify right side
    3,376.01x = 13,073,502.62
  5. Step 5: Solve for x
    x = 13,073,502.62/3,376.01
  6. Step 6: Final answer
    x = 3,872.47

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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.