Home / 3,010.91-4,155.22-1,684.53

Finding the Fourth Proportional to 3,010.91, 4,155.22 and 1,684.53

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Solution

The fourth proportional to 3,010.91, 4,155.22 and 1,684.53 is: 2,324.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.91 : 4,155.22 = 1,684.53 : x
  2. Step 2: Convert to fraction form
    3,010.91/4,155.22 = 1,684.53/x
  3. Step 3: Cross multiply
    3,010.91x = 4,155.22 × 1,684.53
  4. Step 4: Simplify right side
    3,010.91x = 6,999,594.71
  5. Step 5: Solve for x
    x = 6,999,594.71/3,010.91
  6. Step 6: Final answer
    x = 2,324.75

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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.