Home / 3,959.36-5,465.78-2,562.56

Finding the Fourth Proportional to 3,959.36, 5,465.78 and 2,562.56

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Solution

The fourth proportional to 3,959.36, 5,465.78 and 2,562.56 is: 3,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.36 : 5,465.78 = 2,562.56 : x
  2. Step 2: Convert to fraction form
    3,959.36/5,465.78 = 2,562.56/x
  3. Step 3: Cross multiply
    3,959.36x = 5,465.78 × 2,562.56
  4. Step 4: Simplify right side
    3,959.36x = 14,006,389.20
  5. Step 5: Solve for x
    x = 14,006,389.20/3,959.36
  6. Step 6: Final answer
    x = 3,537.54

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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.