Home / 5,518.13-7,614.99-3,160.22

Finding the Fourth Proportional to 5,518.13, 7,614.99 and 3,160.22

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Solution

The fourth proportional to 5,518.13, 7,614.99 and 3,160.22 is: 4,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.13 : 7,614.99 = 3,160.22 : x
  2. Step 2: Convert to fraction form
    5,518.13/7,614.99 = 3,160.22/x
  3. Step 3: Cross multiply
    5,518.13x = 7,614.99 × 3,160.22
  4. Step 4: Simplify right side
    5,518.13x = 24,065,005.62
  5. Step 5: Solve for x
    x = 24,065,005.62/5,518.13
  6. Step 6: Final answer
    x = 4,361.08

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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.