Home / 1,667.32-2,500.00-1,224.45

Finding the Fourth Proportional to 1,667.32, 2,500.00 and 1,224.45

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Solution

The fourth proportional to 1,667.32, 2,500.00 and 1,224.45 is: 1,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.32 : 2,500.00 = 1,224.45 : x
  2. Step 2: Convert to fraction form
    1,667.32/2,500.00 = 1,224.45/x
  3. Step 3: Cross multiply
    1,667.32x = 2,500.00 × 1,224.45
  4. Step 4: Simplify right side
    1,667.32x = 3,061,121.94
  5. Step 5: Solve for x
    x = 3,061,121.94/1,667.32
  6. Step 6: Final answer
    x = 1,835.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.