Home / 3,113.74-4,296.90-1,697.44

Finding the Fourth Proportional to 3,113.74, 4,296.90 and 1,697.44

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Solution

The fourth proportional to 3,113.74, 4,296.90 and 1,697.44 is: 2,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.74 : 4,296.90 = 1,697.44 : x
  2. Step 2: Convert to fraction form
    3,113.74/4,296.90 = 1,697.44/x
  3. Step 3: Cross multiply
    3,113.74x = 4,296.90 × 1,697.44
  4. Step 4: Simplify right side
    3,113.74x = 7,293,729.94
  5. Step 5: Solve for x
    x = 7,293,729.94/3,113.74
  6. Step 6: Final answer
    x = 2,342.43

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1.5x scale

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.