Home / 3,647.78-5,472.53-1,182.60

Finding the Fourth Proportional to 3,647.78, 5,472.53 and 1,182.60

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Solution

The fourth proportional to 3,647.78, 5,472.53 and 1,182.60 is: 1,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.78 : 5,472.53 = 1,182.60 : x
  2. Step 2: Convert to fraction form
    3,647.78/5,472.53 = 1,182.60/x
  3. Step 3: Cross multiply
    3,647.78x = 5,472.53 × 1,182.60
  4. Step 4: Simplify right side
    3,647.78x = 6,471,813.98
  5. Step 5: Solve for x
    x = 6,471,813.98/3,647.78
  6. Step 6: Final answer
    x = 1,774.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.