Home / 4,887.99-7,331.91-1,190.23

Finding the Fourth Proportional to 4,887.99, 7,331.91 and 1,190.23

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Solution

The fourth proportional to 4,887.99, 7,331.91 and 1,190.23 is: 1,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.99 : 7,331.91 = 1,190.23 : x
  2. Step 2: Convert to fraction form
    4,887.99/7,331.91 = 1,190.23/x
  3. Step 3: Cross multiply
    4,887.99x = 7,331.91 × 1,190.23
  4. Step 4: Simplify right side
    4,887.99x = 8,726,622.58
  5. Step 5: Solve for x
    x = 8,726,622.58/4,887.99
  6. Step 6: Final answer
    x = 1,785.32

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Similar ratio
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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.