Home / 3,902.07-5,384.96-2,331.07

Finding the Fourth Proportional to 3,902.07, 5,384.96 and 2,331.07

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Solution

The fourth proportional to 3,902.07, 5,384.96 and 2,331.07 is: 3,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.07 : 5,384.96 = 2,331.07 : x
  2. Step 2: Convert to fraction form
    3,902.07/5,384.96 = 2,331.07/x
  3. Step 3: Cross multiply
    3,902.07x = 5,384.96 × 2,331.07
  4. Step 4: Simplify right side
    3,902.07x = 12,552,718.71
  5. Step 5: Solve for x
    x = 12,552,718.71/3,902.07
  6. Step 6: Final answer
    x = 3,216.94

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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.