Home / 7,338.06-10,125.54-4,151.79

Finding the Fourth Proportional to 7,338.06, 10,125.54 and 4,151.79

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Solution

The fourth proportional to 7,338.06, 10,125.54 and 4,151.79 is: 5,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.06 : 10,125.54 = 4,151.79 : x
  2. Step 2: Convert to fraction form
    7,338.06/10,125.54 = 4,151.79/x
  3. Step 3: Cross multiply
    7,338.06x = 10,125.54 × 4,151.79
  4. Step 4: Simplify right side
    7,338.06x = 42,039,115.72
  5. Step 5: Solve for x
    x = 42,039,115.72/7,338.06
  6. Step 6: Final answer
    x = 5,728.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.