Home / 4,107.81-5,672.92-2,616.40

Finding the Fourth Proportional to 4,107.81, 5,672.92 and 2,616.40

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Solution

The fourth proportional to 4,107.81, 5,672.92 and 2,616.40 is: 3,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.81 : 5,672.92 = 2,616.40 : x
  2. Step 2: Convert to fraction form
    4,107.81/5,672.92 = 2,616.40/x
  3. Step 3: Cross multiply
    4,107.81x = 5,672.92 × 2,616.40
  4. Step 4: Simplify right side
    4,107.81x = 14,842,599.52
  5. Step 5: Solve for x
    x = 14,842,599.52/4,107.81
  6. Step 6: Final answer
    x = 3,613.26

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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.