Home / 3,135.15-4,324.54-2,017.54

Finding the Fourth Proportional to 3,135.15, 4,324.54 and 2,017.54

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Solution

The fourth proportional to 3,135.15, 4,324.54 and 2,017.54 is: 2,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.15 : 4,324.54 = 2,017.54 : x
  2. Step 2: Convert to fraction form
    3,135.15/4,324.54 = 2,017.54/x
  3. Step 3: Cross multiply
    3,135.15x = 4,324.54 × 2,017.54
  4. Step 4: Simplify right side
    3,135.15x = 8,724,932.43
  5. Step 5: Solve for x
    x = 8,724,932.43/3,135.15
  6. Step 6: Final answer
    x = 2,782.94

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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.