Home / 3,161.34-4,364.06-2,042.82

Finding the Fourth Proportional to 3,161.34, 4,364.06 and 2,042.82

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Solution

The fourth proportional to 3,161.34, 4,364.06 and 2,042.82 is: 2,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.34 : 4,364.06 = 2,042.82 : x
  2. Step 2: Convert to fraction form
    3,161.34/4,364.06 = 2,042.82/x
  3. Step 3: Cross multiply
    3,161.34x = 4,364.06 × 2,042.82
  4. Step 4: Simplify right side
    3,161.34x = 8,914,978.84
  5. Step 5: Solve for x
    x = 8,914,978.84/3,161.34
  6. Step 6: Final answer
    x = 2,820.00

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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.