Home / 3,177.69-4,385.93-1,851.59

Finding the Fourth Proportional to 3,177.69, 4,385.93 and 1,851.59

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Solution

The fourth proportional to 3,177.69, 4,385.93 and 1,851.59 is: 2,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.69 : 4,385.93 = 1,851.59 : x
  2. Step 2: Convert to fraction form
    3,177.69/4,385.93 = 1,851.59/x
  3. Step 3: Cross multiply
    3,177.69x = 4,385.93 × 1,851.59
  4. Step 4: Simplify right side
    3,177.69x = 8,120,912.94
  5. Step 5: Solve for x
    x = 8,120,912.94/3,177.69
  6. Step 6: Final answer
    x = 2,555.60

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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.