Home / 2,412.81-3,332.42-1,625.49

Finding the Fourth Proportional to 2,412.81, 3,332.42 and 1,625.49

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Solution

The fourth proportional to 2,412.81, 3,332.42 and 1,625.49 is: 2,245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.81 : 3,332.42 = 1,625.49 : x
  2. Step 2: Convert to fraction form
    2,412.81/3,332.42 = 1,625.49/x
  3. Step 3: Cross multiply
    2,412.81x = 3,332.42 × 1,625.49
  4. Step 4: Simplify right side
    2,412.81x = 5,416,815.39
  5. Step 5: Solve for x
    x = 5,416,815.39/2,412.81
  6. Step 6: Final answer
    x = 2,245.02

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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.