Home / 3,113.94-4,297.18-1,697.66

Finding the Fourth Proportional to 3,113.94, 4,297.18 and 1,697.66

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Solution

The fourth proportional to 3,113.94, 4,297.18 and 1,697.66 is: 2,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.94 : 4,297.18 = 1,697.66 : x
  2. Step 2: Convert to fraction form
    3,113.94/4,297.18 = 1,697.66/x
  3. Step 3: Cross multiply
    3,113.94x = 4,297.18 × 1,697.66
  4. Step 4: Simplify right side
    3,113.94x = 7,295,150.60
  5. Step 5: Solve for x
    x = 7,295,150.60/3,113.94
  6. Step 6: Final answer
    x = 2,342.74

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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.