Home / 2,577.17-3,556.49-1,398.23

Finding the Fourth Proportional to 2,577.17, 3,556.49 and 1,398.23

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Solution

The fourth proportional to 2,577.17, 3,556.49 and 1,398.23 is: 1,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.17 : 3,556.49 = 1,398.23 : x
  2. Step 2: Convert to fraction form
    2,577.17/3,556.49 = 1,398.23/x
  3. Step 3: Cross multiply
    2,577.17x = 3,556.49 × 1,398.23
  4. Step 4: Simplify right side
    2,577.17x = 4,972,787.44
  5. Step 5: Solve for x
    x = 4,972,787.44/2,577.17
  6. Step 6: Final answer
    x = 1,929.56

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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.