Home / 2,076.97-3,115.48-1,210.67

Finding the Fourth Proportional to 2,076.97, 3,115.48 and 1,210.67

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Solution

The fourth proportional to 2,076.97, 3,115.48 and 1,210.67 is: 1,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.97 : 3,115.48 = 1,210.67 : x
  2. Step 2: Convert to fraction form
    2,076.97/3,115.48 = 1,210.67/x
  3. Step 3: Cross multiply
    2,076.97x = 3,115.48 × 1,210.67
  4. Step 4: Simplify right side
    2,076.97x = 3,771,818.17
  5. Step 5: Solve for x
    x = 3,771,818.17/2,076.97
  6. Step 6: Final answer
    x = 1,816.02

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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.