Home / 7,095.41-9,791.58-3,908.64

Finding the Fourth Proportional to 7,095.41, 9,791.58 and 3,908.64

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Solution

The fourth proportional to 7,095.41, 9,791.58 and 3,908.64 is: 5,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,095.41 : 9,791.58 = 3,908.64 : x
  2. Step 2: Convert to fraction form
    7,095.41/9,791.58 = 3,908.64/x
  3. Step 3: Cross multiply
    7,095.41x = 9,791.58 × 3,908.64
  4. Step 4: Simplify right side
    7,095.41x = 38,271,724.57
  5. Step 5: Solve for x
    x = 38,271,724.57/7,095.41
  6. Step 6: Final answer
    x = 5,393.87

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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.