Home / 3,100.27-4,278.21-1,703.02

Finding the Fourth Proportional to 3,100.27, 4,278.21 and 1,703.02

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Solution

The fourth proportional to 3,100.27, 4,278.21 and 1,703.02 is: 2,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.27 : 4,278.21 = 1,703.02 : x
  2. Step 2: Convert to fraction form
    3,100.27/4,278.21 = 1,703.02/x
  3. Step 3: Cross multiply
    3,100.27x = 4,278.21 × 1,703.02
  4. Step 4: Simplify right side
    3,100.27x = 7,285,877.19
  5. Step 5: Solve for x
    x = 7,285,877.19/3,100.27
  6. Step 6: Final answer
    x = 2,350.08

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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.