Home / 3,116.22-4,300.35-1,699.98

Finding the Fourth Proportional to 3,116.22, 4,300.35 and 1,699.98

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Solution

The fourth proportional to 3,116.22, 4,300.35 and 1,699.98 is: 2,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.22 : 4,300.35 = 1,699.98 : x
  2. Step 2: Convert to fraction form
    3,116.22/4,300.35 = 1,699.98/x
  3. Step 3: Cross multiply
    3,116.22x = 4,300.35 × 1,699.98
  4. Step 4: Simplify right side
    3,116.22x = 7,310,508.99
  5. Step 5: Solve for x
    x = 7,310,508.99/3,116.22
  6. Step 6: Final answer
    x = 2,345.95

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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.