Home / 3,742.02-5,164.18-2,170.14

Finding the Fourth Proportional to 3,742.02, 5,164.18 and 2,170.14

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Solution

The fourth proportional to 3,742.02, 5,164.18 and 2,170.14 is: 2,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.02 : 5,164.18 = 2,170.14 : x
  2. Step 2: Convert to fraction form
    3,742.02/5,164.18 = 2,170.14/x
  3. Step 3: Cross multiply
    3,742.02x = 5,164.18 × 2,170.14
  4. Step 4: Simplify right side
    3,742.02x = 11,206,993.59
  5. Step 5: Solve for x
    x = 11,206,993.59/3,742.02
  6. Step 6: Final answer
    x = 2,994.90

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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.