Home / 5,515.24-8,272.05-2,740.99

Finding the Fourth Proportional to 5,515.24, 8,272.05 and 2,740.99

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Solution

The fourth proportional to 5,515.24, 8,272.05 and 2,740.99 is: 4,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.24 : 8,272.05 = 2,740.99 : x
  2. Step 2: Convert to fraction form
    5,515.24/8,272.05 = 2,740.99/x
  3. Step 3: Cross multiply
    5,515.24x = 8,272.05 × 2,740.99
  4. Step 4: Simplify right side
    5,515.24x = 22,673,606.33
  5. Step 5: Solve for x
    x = 22,673,606.33/5,515.24
  6. Step 6: Final answer
    x = 4,111.08

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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.