Home / 2,013.57-3,021.99-1,039.95

Finding the Fourth Proportional to 2,013.57, 3,021.99 and 1,039.95

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Solution

The fourth proportional to 2,013.57, 3,021.99 and 1,039.95 is: 1,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.57 : 3,021.99 = 1,039.95 : x
  2. Step 2: Convert to fraction form
    2,013.57/3,021.99 = 1,039.95/x
  3. Step 3: Cross multiply
    2,013.57x = 3,021.99 × 1,039.95
  4. Step 4: Simplify right side
    2,013.57x = 3,142,718.50
  5. Step 5: Solve for x
    x = 3,142,718.50/2,013.57
  6. Step 6: Final answer
    x = 1,560.77

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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.