Home / 3,740.42-5,160.63-2,168.24

Finding the Fourth Proportional to 3,740.42, 5,160.63 and 2,168.24

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Solution

The fourth proportional to 3,740.42, 5,160.63 and 2,168.24 is: 2,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.42 : 5,160.63 = 2,168.24 : x
  2. Step 2: Convert to fraction form
    3,740.42/5,160.63 = 2,168.24/x
  3. Step 3: Cross multiply
    3,740.42x = 5,160.63 × 2,168.24
  4. Step 4: Simplify right side
    3,740.42x = 11,189,484.39
  5. Step 5: Solve for x
    x = 11,189,484.39/3,740.42
  6. Step 6: Final answer
    x = 2,991.50

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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.