Home / 2,403.30-3,587.73-2,231.99

Finding the Fourth Proportional to 2,403.30, 3,587.73 and 2,231.99

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Solution

The fourth proportional to 2,403.30, 3,587.73 and 2,231.99 is: 3,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.30 : 3,587.73 = 2,231.99 : x
  2. Step 2: Convert to fraction form
    2,403.30/3,587.73 = 2,231.99/x
  3. Step 3: Cross multiply
    2,403.30x = 3,587.73 × 2,231.99
  4. Step 4: Simplify right side
    2,403.30x = 8,007,759.54
  5. Step 5: Solve for x
    x = 8,007,759.54/2,403.30
  6. Step 6: Final answer
    x = 3,331.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.