Home / 3,177.43-4,384.56-1,851.26

Finding the Fourth Proportional to 3,177.43, 4,384.56 and 1,851.26

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Solution

The fourth proportional to 3,177.43, 4,384.56 and 1,851.26 is: 2,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.43 : 4,384.56 = 1,851.26 : x
  2. Step 2: Convert to fraction form
    3,177.43/4,384.56 = 1,851.26/x
  3. Step 3: Cross multiply
    3,177.43x = 4,384.56 × 1,851.26
  4. Step 4: Simplify right side
    3,177.43x = 8,116,945.57
  5. Step 5: Solve for x
    x = 8,116,945.57/3,177.43
  6. Step 6: Final answer
    x = 2,554.57

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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.