Home / 2,072.67-2,859.81-1,513.44

Finding the Fourth Proportional to 2,072.67, 2,859.81 and 1,513.44

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Solution

The fourth proportional to 2,072.67, 2,859.81 and 1,513.44 is: 2,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.67 : 2,859.81 = 1,513.44 : x
  2. Step 2: Convert to fraction form
    2,072.67/2,859.81 = 1,513.44/x
  3. Step 3: Cross multiply
    2,072.67x = 2,859.81 × 1,513.44
  4. Step 4: Simplify right side
    2,072.67x = 4,328,150.85
  5. Step 5: Solve for x
    x = 4,328,150.85/2,072.67
  6. Step 6: Final answer
    x = 2,088.20

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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.