Home / 3,783.15-5,649.24-3,091.17

Finding the Fourth Proportional to 3,783.15, 5,649.24 and 3,091.17

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Solution

The fourth proportional to 3,783.15, 5,649.24 and 3,091.17 is: 4,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.15 : 5,649.24 = 3,091.17 : x
  2. Step 2: Convert to fraction form
    3,783.15/5,649.24 = 3,091.17/x
  3. Step 3: Cross multiply
    3,783.15x = 5,649.24 × 3,091.17
  4. Step 4: Simplify right side
    3,783.15x = 17,462,761.21
  5. Step 5: Solve for x
    x = 17,462,761.21/3,783.15
  6. Step 6: Final answer
    x = 4,615.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.