Home / 3,113.97-4,668.28-1,357.63

Finding the Fourth Proportional to 3,113.97, 4,668.28 and 1,357.63

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Solution

The fourth proportional to 3,113.97, 4,668.28 and 1,357.63 is: 2,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.97 : 4,668.28 = 1,357.63 : x
  2. Step 2: Convert to fraction form
    3,113.97/4,668.28 = 1,357.63/x
  3. Step 3: Cross multiply
    3,113.97x = 4,668.28 × 1,357.63
  4. Step 4: Simplify right side
    3,113.97x = 6,337,796.98
  5. Step 5: Solve for x
    x = 6,337,796.98/3,113.97
  6. Step 6: Final answer
    x = 2,035.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.