Home / 2,010.96-2,776.06-1,513.78

Finding the Fourth Proportional to 2,010.96, 2,776.06 and 1,513.78

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Solution

The fourth proportional to 2,010.96, 2,776.06 and 1,513.78 is: 2,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.96 : 2,776.06 = 1,513.78 : x
  2. Step 2: Convert to fraction form
    2,010.96/2,776.06 = 1,513.78/x
  3. Step 3: Cross multiply
    2,010.96x = 2,776.06 × 1,513.78
  4. Step 4: Simplify right side
    2,010.96x = 4,202,344.11
  5. Step 5: Solve for x
    x = 4,202,344.11/2,010.96
  6. Step 6: Final answer
    x = 2,089.72

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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.