Home / 7,311.77-10,968.56-2,380.08

Finding the Fourth Proportional to 7,311.77, 10,968.56 and 2,380.08

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Solution

The fourth proportional to 7,311.77, 10,968.56 and 2,380.08 is: 3,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.77 : 10,968.56 = 2,380.08 : x
  2. Step 2: Convert to fraction form
    7,311.77/10,968.56 = 2,380.08/x
  3. Step 3: Cross multiply
    7,311.77x = 10,968.56 × 2,380.08
  4. Step 4: Simplify right side
    7,311.77x = 26,106,050.28
  5. Step 5: Solve for x
    x = 26,106,050.28/7,311.77
  6. Step 6: Final answer
    x = 3,570.41

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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.