Home / 3,066.19-4,231.10-1,740.12

Finding the Fourth Proportional to 3,066.19, 4,231.10 and 1,740.12

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Solution

The fourth proportional to 3,066.19, 4,231.10 and 1,740.12 is: 2,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.19 : 4,231.10 = 1,740.12 : x
  2. Step 2: Convert to fraction form
    3,066.19/4,231.10 = 1,740.12/x
  3. Step 3: Cross multiply
    3,066.19x = 4,231.10 × 1,740.12
  4. Step 4: Simplify right side
    3,066.19x = 7,362,591.88
  5. Step 5: Solve for x
    x = 7,362,591.88/3,066.19
  6. Step 6: Final answer
    x = 2,401.22

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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.