Home / 3,372.49-4,656.25-2,178.01

Finding the Fourth Proportional to 3,372.49, 4,656.25 and 2,178.01

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Solution

The fourth proportional to 3,372.49, 4,656.25 and 2,178.01 is: 3,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.49 : 4,656.25 = 2,178.01 : x
  2. Step 2: Convert to fraction form
    3,372.49/4,656.25 = 2,178.01/x
  3. Step 3: Cross multiply
    3,372.49x = 4,656.25 × 2,178.01
  4. Step 4: Simplify right side
    3,372.49x = 10,141,359.06
  5. Step 5: Solve for x
    x = 10,141,359.06/3,372.49
  6. Step 6: Final answer
    x = 3,007.08

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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.