Home / 3,104.32-4,283.76-1,707

Finding the Fourth Proportional to 3,104.32, 4,283.76 and 1,707

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Solution

The fourth proportional to 3,104.32, 4,283.76 and 1,707 is: 2,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.32 : 4,283.76 = 1,707 : x
  2. Step 2: Convert to fraction form
    3,104.32/4,283.76 = 1,707/x
  3. Step 3: Cross multiply
    3,104.32x = 4,283.76 × 1,707
  4. Step 4: Simplify right side
    3,104.32x = 7,312,378.32
  5. Step 5: Solve for x
    x = 7,312,378.32/3,104.32
  6. Step 6: Final answer
    x = 2,355.55

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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.