Home / 7,194.83-10,787.78-2,807.16

Finding the Fourth Proportional to 7,194.83, 10,787.78 and 2,807.16

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Solution

The fourth proportional to 7,194.83, 10,787.78 and 2,807.16 is: 4,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.83 : 10,787.78 = 2,807.16 : x
  2. Step 2: Convert to fraction form
    7,194.83/10,787.78 = 2,807.16/x
  3. Step 3: Cross multiply
    7,194.83x = 10,787.78 × 2,807.16
  4. Step 4: Simplify right side
    7,194.83x = 30,282,991.07
  5. Step 5: Solve for x
    x = 30,282,991.07/7,194.83
  6. Step 6: Final answer
    x = 4,209.00

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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.