Home / 5,019.97-6,930.80-3,228.25

Finding the Fourth Proportional to 5,019.97, 6,930.80 and 3,228.25

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Solution

The fourth proportional to 5,019.97, 6,930.80 and 3,228.25 is: 4,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.97 : 6,930.80 = 3,228.25 : x
  2. Step 2: Convert to fraction form
    5,019.97/6,930.80 = 3,228.25/x
  3. Step 3: Cross multiply
    5,019.97x = 6,930.80 × 3,228.25
  4. Step 4: Simplify right side
    5,019.97x = 22,374,355.10
  5. Step 5: Solve for x
    x = 22,374,355.10/5,019.97
  6. Step 6: Final answer
    x = 4,457.07

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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.