Home / 4,918.23-7,321.73-4,889.04

Finding the Fourth Proportional to 4,918.23, 7,321.73 and 4,889.04

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Solution

The fourth proportional to 4,918.23, 7,321.73 and 4,889.04 is: 7,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.23 : 7,321.73 = 4,889.04 : x
  2. Step 2: Convert to fraction form
    4,918.23/7,321.73 = 4,889.04/x
  3. Step 3: Cross multiply
    4,918.23x = 7,321.73 × 4,889.04
  4. Step 4: Simplify right side
    4,918.23x = 35,796,206.39
  5. Step 5: Solve for x
    x = 35,796,206.39/4,918.23
  6. Step 6: Final answer
    x = 7,278.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.