Home / 5,555.31-8,327.16-2,630.13

Finding the Fourth Proportional to 5,555.31, 8,327.16 and 2,630.13

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Solution

The fourth proportional to 5,555.31, 8,327.16 and 2,630.13 is: 3,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.31 : 8,327.16 = 2,630.13 : x
  2. Step 2: Convert to fraction form
    5,555.31/8,327.16 = 2,630.13/x
  3. Step 3: Cross multiply
    5,555.31x = 8,327.16 × 2,630.13
  4. Step 4: Simplify right side
    5,555.31x = 21,901,513.33
  5. Step 5: Solve for x
    x = 21,901,513.33/5,555.31
  6. Step 6: Final answer
    x = 3,942.45

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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.