Home / 2,047.16-2,825.08-1,115.66

Finding the Fourth Proportional to 2,047.16, 2,825.08 and 1,115.66

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Solution

The fourth proportional to 2,047.16, 2,825.08 and 1,115.66 is: 1,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.16 : 2,825.08 = 1,115.66 : x
  2. Step 2: Convert to fraction form
    2,047.16/2,825.08 = 1,115.66/x
  3. Step 3: Cross multiply
    2,047.16x = 2,825.08 × 1,115.66
  4. Step 4: Simplify right side
    2,047.16x = 3,151,828.75
  5. Step 5: Solve for x
    x = 3,151,828.75/2,047.16
  6. Step 6: Final answer
    x = 1,539.61

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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.