Home / 4,884.88-7,328.54-1,422.13

Finding the Fourth Proportional to 4,884.88, 7,328.54 and 1,422.13

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Solution

The fourth proportional to 4,884.88, 7,328.54 and 1,422.13 is: 2,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.88 : 7,328.54 = 1,422.13 : x
  2. Step 2: Convert to fraction form
    4,884.88/7,328.54 = 1,422.13/x
  3. Step 3: Cross multiply
    4,884.88x = 7,328.54 × 1,422.13
  4. Step 4: Simplify right side
    4,884.88x = 10,422,136.59
  5. Step 5: Solve for x
    x = 10,422,136.59/4,884.88
  6. Step 6: Final answer
    x = 2,133.55

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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.