Home / 3,749.67-5,623.86-1,669.17

Finding the Fourth Proportional to 3,749.67, 5,623.86 and 1,669.17

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Solution

The fourth proportional to 3,749.67, 5,623.86 and 1,669.17 is: 2,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.67 : 5,623.86 = 1,669.17 : x
  2. Step 2: Convert to fraction form
    3,749.67/5,623.86 = 1,669.17/x
  3. Step 3: Cross multiply
    3,749.67x = 5,623.86 × 1,669.17
  4. Step 4: Simplify right side
    3,749.67x = 9,387,178.40
  5. Step 5: Solve for x
    x = 9,387,178.40/3,749.67
  6. Step 6: Final answer
    x = 2,503.47

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1.5x scale

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.