Home / 5,043.48-6,959.82-2,805.31

Finding the Fourth Proportional to 5,043.48, 6,959.82 and 2,805.31

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Solution

The fourth proportional to 5,043.48, 6,959.82 and 2,805.31 is: 3,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.48 : 6,959.82 = 2,805.31 : x
  2. Step 2: Convert to fraction form
    5,043.48/6,959.82 = 2,805.31/x
  3. Step 3: Cross multiply
    5,043.48x = 6,959.82 × 2,805.31
  4. Step 4: Simplify right side
    5,043.48x = 19,524,417.85
  5. Step 5: Solve for x
    x = 19,524,417.85/5,043.48
  6. Step 6: Final answer
    x = 3,871.22

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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.