Home / 7,277.75-10,908.88-4,151.05

Finding the Fourth Proportional to 7,277.75, 10,908.88 and 4,151.05

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Solution

The fourth proportional to 7,277.75, 10,908.88 and 4,151.05 is: 6,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.75 : 10,908.88 = 4,151.05 : x
  2. Step 2: Convert to fraction form
    7,277.75/10,908.88 = 4,151.05/x
  3. Step 3: Cross multiply
    7,277.75x = 10,908.88 × 4,151.05
  4. Step 4: Simplify right side
    7,277.75x = 45,283,268.67
  5. Step 5: Solve for x
    x = 45,283,268.67/7,277.75
  6. Step 6: Final answer
    x = 6,222.15

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1.5x scale

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.