Home / 7,280.28-10,922.70-3,065.75

Finding the Fourth Proportional to 7,280.28, 10,922.70 and 3,065.75

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Solution

The fourth proportional to 7,280.28, 10,922.70 and 3,065.75 is: 4,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.28 : 10,922.70 = 3,065.75 : x
  2. Step 2: Convert to fraction form
    7,280.28/10,922.70 = 3,065.75/x
  3. Step 3: Cross multiply
    7,280.28x = 10,922.70 × 3,065.75
  4. Step 4: Simplify right side
    7,280.28x = 33,486,267.53
  5. Step 5: Solve for x
    x = 33,486,267.53/7,280.28
  6. Step 6: Final answer
    x = 4,599.59

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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.