Home / 3,331.99-4,990.56-2,355.13

Finding the Fourth Proportional to 3,331.99, 4,990.56 and 2,355.13

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Solution

The fourth proportional to 3,331.99, 4,990.56 and 2,355.13 is: 3,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.99 : 4,990.56 = 2,355.13 : x
  2. Step 2: Convert to fraction form
    3,331.99/4,990.56 = 2,355.13/x
  3. Step 3: Cross multiply
    3,331.99x = 4,990.56 × 2,355.13
  4. Step 4: Simplify right side
    3,331.99x = 11,753,417.57
  5. Step 5: Solve for x
    x = 11,753,417.57/3,331.99
  6. Step 6: Final answer
    x = 3,527.45

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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.