Home / 5,330.81-7,991.09-2,697.19

Finding the Fourth Proportional to 5,330.81, 7,991.09 and 2,697.19

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Solution

The fourth proportional to 5,330.81, 7,991.09 and 2,697.19 is: 4,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.81 : 7,991.09 = 2,697.19 : x
  2. Step 2: Convert to fraction form
    5,330.81/7,991.09 = 2,697.19/x
  3. Step 3: Cross multiply
    5,330.81x = 7,991.09 × 2,697.19
  4. Step 4: Simplify right side
    5,330.81x = 21,553,464.83
  5. Step 5: Solve for x
    x = 21,553,464.83/5,330.81
  6. Step 6: Final answer
    x = 4,043.19

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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.