Home / 5,042.88-6,959.34-2,774.31

Finding the Fourth Proportional to 5,042.88, 6,959.34 and 2,774.31

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Solution

The fourth proportional to 5,042.88, 6,959.34 and 2,774.31 is: 3,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.88 : 6,959.34 = 2,774.31 : x
  2. Step 2: Convert to fraction form
    5,042.88/6,959.34 = 2,774.31/x
  3. Step 3: Cross multiply
    5,042.88x = 6,959.34 × 2,774.31
  4. Step 4: Simplify right side
    5,042.88x = 19,307,366.56
  5. Step 5: Solve for x
    x = 19,307,366.56/5,042.88
  6. Step 6: Final answer
    x = 3,828.64

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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.