Home / 5,390.96-7,439.49-3,033.09

Finding the Fourth Proportional to 5,390.96, 7,439.49 and 3,033.09

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Solution

The fourth proportional to 5,390.96, 7,439.49 and 3,033.09 is: 4,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.96 : 7,439.49 = 3,033.09 : x
  2. Step 2: Convert to fraction form
    5,390.96/7,439.49 = 3,033.09/x
  3. Step 3: Cross multiply
    5,390.96x = 7,439.49 × 3,033.09
  4. Step 4: Simplify right side
    5,390.96x = 22,564,642.72
  5. Step 5: Solve for x
    x = 22,564,642.72/5,390.96
  6. Step 6: Final answer
    x = 4,185.65

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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.