Home / 5,518.94-7,614.60-3,160.94

Finding the Fourth Proportional to 5,518.94, 7,614.60 and 3,160.94

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Solution

The fourth proportional to 5,518.94, 7,614.60 and 3,160.94 is: 4,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.94 : 7,614.60 = 3,160.94 : x
  2. Step 2: Convert to fraction form
    5,518.94/7,614.60 = 3,160.94/x
  3. Step 3: Cross multiply
    5,518.94x = 7,614.60 × 3,160.94
  4. Step 4: Simplify right side
    5,518.94x = 24,069,293.72
  5. Step 5: Solve for x
    x = 24,069,293.72/5,518.94
  6. Step 6: Final answer
    x = 4,361.22

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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.