Home / 5,398.08-7,450.08-3,040.68

Finding the Fourth Proportional to 5,398.08, 7,450.08 and 3,040.68

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Solution

The fourth proportional to 5,398.08, 7,450.08 and 3,040.68 is: 4,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.08 : 7,450.08 = 3,040.68 : x
  2. Step 2: Convert to fraction form
    5,398.08/7,450.08 = 3,040.68/x
  3. Step 3: Cross multiply
    5,398.08x = 7,450.08 × 3,040.68
  4. Step 4: Simplify right side
    5,398.08x = 22,653,309.25
  5. Step 5: Solve for x
    x = 22,653,309.25/5,398.08
  6. Step 6: Final answer
    x = 4,196.55

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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.