Home / 4,880.17-7,321.94-3,547.21

Finding the Fourth Proportional to 4,880.17, 7,321.94 and 3,547.21

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Solution

The fourth proportional to 4,880.17, 7,321.94 and 3,547.21 is: 5,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.17 : 7,321.94 = 3,547.21 : x
  2. Step 2: Convert to fraction form
    4,880.17/7,321.94 = 3,547.21/x
  3. Step 3: Cross multiply
    4,880.17x = 7,321.94 × 3,547.21
  4. Step 4: Simplify right side
    4,880.17x = 25,972,469.73
  5. Step 5: Solve for x
    x = 25,972,469.73/4,880.17
  6. Step 6: Final answer
    x = 5,322.05

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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.