Home / 4,887.83-7,331.75-1,190.06

Finding the Fourth Proportional to 4,887.83, 7,331.75 and 1,190.06

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Solution

The fourth proportional to 4,887.83, 7,331.75 and 1,190.06 is: 1,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.83 : 7,331.75 = 1,190.06 : x
  2. Step 2: Convert to fraction form
    4,887.83/7,331.75 = 1,190.06/x
  3. Step 3: Cross multiply
    4,887.83x = 7,331.75 × 1,190.06
  4. Step 4: Simplify right side
    4,887.83x = 8,725,234.78
  5. Step 5: Solve for x
    x = 8,725,234.78/4,887.83
  6. Step 6: Final answer
    x = 1,785.09

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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.