Home / 5,511.60-7,606.80-4,183.08

Finding the Fourth Proportional to 5,511.60, 7,606.80 and 4,183.08

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Solution

The fourth proportional to 5,511.60, 7,606.80 and 4,183.08 is: 5,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.60 : 7,606.80 = 4,183.08 : x
  2. Step 2: Convert to fraction form
    5,511.60/7,606.80 = 4,183.08/x
  3. Step 3: Cross multiply
    5,511.60x = 7,606.80 × 4,183.08
  4. Step 4: Simplify right side
    5,511.60x = 31,819,852.94
  5. Step 5: Solve for x
    x = 31,819,852.94/5,511.60
  6. Step 6: Final answer
    x = 5,773.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.