Home / 3,910.14-5,866.47-2,154.51

Finding the Fourth Proportional to 3,910.14, 5,866.47 and 2,154.51

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Solution

The fourth proportional to 3,910.14, 5,866.47 and 2,154.51 is: 3,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.14 : 5,866.47 = 2,154.51 : x
  2. Step 2: Convert to fraction form
    3,910.14/5,866.47 = 2,154.51/x
  3. Step 3: Cross multiply
    3,910.14x = 5,866.47 × 2,154.51
  4. Step 4: Simplify right side
    3,910.14x = 12,639,368.28
  5. Step 5: Solve for x
    x = 12,639,368.28/3,910.14
  6. Step 6: Final answer
    x = 3,232.46

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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.