Home / 5,327.32-7,364.99-3,998.72

Finding the Fourth Proportional to 5,327.32, 7,364.99 and 3,998.72

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Solution

The fourth proportional to 5,327.32, 7,364.99 and 3,998.72 is: 5,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.32 : 7,364.99 = 3,998.72 : x
  2. Step 2: Convert to fraction form
    5,327.32/7,364.99 = 3,998.72/x
  3. Step 3: Cross multiply
    5,327.32x = 7,364.99 × 3,998.72
  4. Step 4: Simplify right side
    5,327.32x = 29,450,532.81
  5. Step 5: Solve for x
    x = 29,450,532.81/5,327.32
  6. Step 6: Final answer
    x = 5,528.21

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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.