Home / 7,392.27-11,088.31-2,127.40

Finding the Fourth Proportional to 7,392.27, 11,088.31 and 2,127.40

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Solution

The fourth proportional to 7,392.27, 11,088.31 and 2,127.40 is: 3,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.27 : 11,088.31 = 2,127.40 : x
  2. Step 2: Convert to fraction form
    7,392.27/11,088.31 = 2,127.40/x
  3. Step 3: Cross multiply
    7,392.27x = 11,088.31 × 2,127.40
  4. Step 4: Simplify right side
    7,392.27x = 23,589,270.69
  5. Step 5: Solve for x
    x = 23,589,270.69/7,392.27
  6. Step 6: Final answer
    x = 3,191.07

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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.