Home / 4,139.10-6,208.50-1,018.97

Finding the Fourth Proportional to 4,139.10, 6,208.50 and 1,018.97

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Solution

The fourth proportional to 4,139.10, 6,208.50 and 1,018.97 is: 1,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.10 : 6,208.50 = 1,018.97 : x
  2. Step 2: Convert to fraction form
    4,139.10/6,208.50 = 1,018.97/x
  3. Step 3: Cross multiply
    4,139.10x = 6,208.50 × 1,018.97
  4. Step 4: Simplify right side
    4,139.10x = 6,326,244.20
  5. Step 5: Solve for x
    x = 6,326,244.20/4,139.10
  6. Step 6: Final answer
    x = 1,528.41

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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.