Home / 3,031.42-4,180.26-2,088.04

Finding the Fourth Proportional to 3,031.42, 4,180.26 and 2,088.04

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Solution

The fourth proportional to 3,031.42, 4,180.26 and 2,088.04 is: 2,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.42 : 4,180.26 = 2,088.04 : x
  2. Step 2: Convert to fraction form
    3,031.42/4,180.26 = 2,088.04/x
  3. Step 3: Cross multiply
    3,031.42x = 4,180.26 × 2,088.04
  4. Step 4: Simplify right side
    3,031.42x = 8,728,550.09
  5. Step 5: Solve for x
    x = 8,728,550.09/3,031.42
  6. Step 6: Final answer
    x = 2,879.36

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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.