Home / 3,705.12-5,558.76-1,108.08

Finding the Fourth Proportional to 3,705.12, 5,558.76 and 1,108.08

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Solution

The fourth proportional to 3,705.12, 5,558.76 and 1,108.08 is: 1,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.12 : 5,558.76 = 1,108.08 : x
  2. Step 2: Convert to fraction form
    3,705.12/5,558.76 = 1,108.08/x
  3. Step 3: Cross multiply
    3,705.12x = 5,558.76 × 1,108.08
  4. Step 4: Simplify right side
    3,705.12x = 6,159,550.78
  5. Step 5: Solve for x
    x = 6,159,550.78/3,705.12
  6. Step 6: Final answer
    x = 1,662.44

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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.