Home / 2,048.85-3,074.61-1,125.06

Finding the Fourth Proportional to 2,048.85, 3,074.61 and 1,125.06

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Solution

The fourth proportional to 2,048.85, 3,074.61 and 1,125.06 is: 1,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.85 : 3,074.61 = 1,125.06 : x
  2. Step 2: Convert to fraction form
    2,048.85/3,074.61 = 1,125.06/x
  3. Step 3: Cross multiply
    2,048.85x = 3,074.61 × 1,125.06
  4. Step 4: Simplify right side
    2,048.85x = 3,459,120.73
  5. Step 5: Solve for x
    x = 3,459,120.73/2,048.85
  6. Step 6: Final answer
    x = 1,688.32

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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.