Home / 2,076.16-3,112.14-1,346.20

Finding the Fourth Proportional to 2,076.16, 3,112.14 and 1,346.20

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Solution

The fourth proportional to 2,076.16, 3,112.14 and 1,346.20 is: 2,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.16 : 3,112.14 = 1,346.20 : x
  2. Step 2: Convert to fraction form
    2,076.16/3,112.14 = 1,346.20/x
  3. Step 3: Cross multiply
    2,076.16x = 3,112.14 × 1,346.20
  4. Step 4: Simplify right side
    2,076.16x = 4,189,562.87
  5. Step 5: Solve for x
    x = 4,189,562.87/2,076.16
  6. Step 6: Final answer
    x = 2,017.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.