Home / 3,318.81-4,580.49-2,425.49

Finding the Fourth Proportional to 3,318.81, 4,580.49 and 2,425.49

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Solution

The fourth proportional to 3,318.81, 4,580.49 and 2,425.49 is: 3,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.81 : 4,580.49 = 2,425.49 : x
  2. Step 2: Convert to fraction form
    3,318.81/4,580.49 = 2,425.49/x
  3. Step 3: Cross multiply
    3,318.81x = 4,580.49 × 2,425.49
  4. Step 4: Simplify right side
    3,318.81x = 11,109,935.30
  5. Step 5: Solve for x
    x = 11,109,935.30/3,318.81
  6. Step 6: Final answer
    x = 3,347.56

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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.