Home / 4,113.76-5,675.44-3,169.76

Finding the Fourth Proportional to 4,113.76, 5,675.44 and 3,169.76

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Solution

The fourth proportional to 4,113.76, 5,675.44 and 3,169.76 is: 4,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.76 : 5,675.44 = 3,169.76 : x
  2. Step 2: Convert to fraction form
    4,113.76/5,675.44 = 3,169.76/x
  3. Step 3: Cross multiply
    4,113.76x = 5,675.44 × 3,169.76
  4. Step 4: Simplify right side
    4,113.76x = 17,989,782.69
  5. Step 5: Solve for x
    x = 17,989,782.69/4,113.76
  6. Step 6: Final answer
    x = 4,373.08

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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.