Home / 3,616.68-4,991.48-2,125.16

Finding the Fourth Proportional to 3,616.68, 4,991.48 and 2,125.16

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Solution

The fourth proportional to 3,616.68, 4,991.48 and 2,125.16 is: 2,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.68 : 4,991.48 = 2,125.16 : x
  2. Step 2: Convert to fraction form
    3,616.68/4,991.48 = 2,125.16/x
  3. Step 3: Cross multiply
    3,616.68x = 4,991.48 × 2,125.16
  4. Step 4: Simplify right side
    3,616.68x = 10,607,693.64
  5. Step 5: Solve for x
    x = 10,607,693.64/3,616.68
  6. Step 6: Final answer
    x = 2,932.99

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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.