Home / 7,194.60-9,928.37-4,007.91

Finding the Fourth Proportional to 7,194.60, 9,928.37 and 4,007.91

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Solution

The fourth proportional to 7,194.60, 9,928.37 and 4,007.91 is: 5,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.60 : 9,928.37 = 4,007.91 : x
  2. Step 2: Convert to fraction form
    7,194.60/9,928.37 = 4,007.91/x
  3. Step 3: Cross multiply
    7,194.60x = 9,928.37 × 4,007.91
  4. Step 4: Simplify right side
    7,194.60x = 39,791,976.89
  5. Step 5: Solve for x
    x = 39,791,976.89/7,194.60
  6. Step 6: Final answer
    x = 5,530.81

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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.