Home / 7,177.77-9,904.55-4,382.73

Finding the Fourth Proportional to 7,177.77, 9,904.55 and 4,382.73

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Solution

The fourth proportional to 7,177.77, 9,904.55 and 4,382.73 is: 6,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.77 : 9,904.55 = 4,382.73 : x
  2. Step 2: Convert to fraction form
    7,177.77/9,904.55 = 4,382.73/x
  3. Step 3: Cross multiply
    7,177.77x = 9,904.55 × 4,382.73
  4. Step 4: Simplify right side
    7,177.77x = 43,408,946.51
  5. Step 5: Solve for x
    x = 43,408,946.51/7,177.77
  6. Step 6: Final answer
    x = 6,047.69

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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.