Home / 3,004.25-4,145.45-1,677.71

Finding the Fourth Proportional to 3,004.25, 4,145.45 and 1,677.71

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Solution

The fourth proportional to 3,004.25, 4,145.45 and 1,677.71 is: 2,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.25 : 4,145.45 = 1,677.71 : x
  2. Step 2: Convert to fraction form
    3,004.25/4,145.45 = 1,677.71/x
  3. Step 3: Cross multiply
    3,004.25x = 4,145.45 × 1,677.71
  4. Step 4: Simplify right side
    3,004.25x = 6,954,833.80
  5. Step 5: Solve for x
    x = 6,954,833.80/3,004.25
  6. Step 6: Final answer
    x = 2,315.00

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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.