Home / 3,112.57-4,668.36-1,032.49

Finding the Fourth Proportional to 3,112.57, 4,668.36 and 1,032.49

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Solution

The fourth proportional to 3,112.57, 4,668.36 and 1,032.49 is: 1,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.57 : 4,668.36 = 1,032.49 : x
  2. Step 2: Convert to fraction form
    3,112.57/4,668.36 = 1,032.49/x
  3. Step 3: Cross multiply
    3,112.57x = 4,668.36 × 1,032.49
  4. Step 4: Simplify right side
    3,112.57x = 4,820,035.02
  5. Step 5: Solve for x
    x = 4,820,035.02/3,112.57
  6. Step 6: Final answer
    x = 1,548.57

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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.