Home / 7,318.64-10,976.44-2,637.92

Finding the Fourth Proportional to 7,318.64, 10,976.44 and 2,637.92

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Solution

The fourth proportional to 7,318.64, 10,976.44 and 2,637.92 is: 3,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.64 : 10,976.44 = 2,637.92 : x
  2. Step 2: Convert to fraction form
    7,318.64/10,976.44 = 2,637.92/x
  3. Step 3: Cross multiply
    7,318.64x = 10,976.44 × 2,637.92
  4. Step 4: Simplify right side
    7,318.64x = 28,954,970.60
  5. Step 5: Solve for x
    x = 28,954,970.60/7,318.64
  6. Step 6: Final answer
    x = 3,956.33

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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.