Home / 2,047.89-2,826.06-1,116.39

Finding the Fourth Proportional to 2,047.89, 2,826.06 and 1,116.39

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Solution

The fourth proportional to 2,047.89, 2,826.06 and 1,116.39 is: 1,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.89 : 2,826.06 = 1,116.39 : x
  2. Step 2: Convert to fraction form
    2,047.89/2,826.06 = 1,116.39/x
  3. Step 3: Cross multiply
    2,047.89x = 2,826.06 × 1,116.39
  4. Step 4: Simplify right side
    2,047.89x = 3,154,985.12
  5. Step 5: Solve for x
    x = 3,154,985.12/2,047.89
  6. Step 6: Final answer
    x = 1,540.60

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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.