Home / 3,364.11-4,642.62-1,871.97

Finding the Fourth Proportional to 3,364.11, 4,642.62 and 1,871.97

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Solution

The fourth proportional to 3,364.11, 4,642.62 and 1,871.97 is: 2,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.11 : 4,642.62 = 1,871.97 : x
  2. Step 2: Convert to fraction form
    3,364.11/4,642.62 = 1,871.97/x
  3. Step 3: Cross multiply
    3,364.11x = 4,642.62 × 1,871.97
  4. Step 4: Simplify right side
    3,364.11x = 8,690,845.36
  5. Step 5: Solve for x
    x = 8,690,845.36/3,364.11
  6. Step 6: Final answer
    x = 2,583.40

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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.