Home / 4,104.81-6,156.64-1,331.51

Finding the Fourth Proportional to 4,104.81, 6,156.64 and 1,331.51

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Solution

The fourth proportional to 4,104.81, 6,156.64 and 1,331.51 is: 1,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.81 : 6,156.64 = 1,331.51 : x
  2. Step 2: Convert to fraction form
    4,104.81/6,156.64 = 1,331.51/x
  3. Step 3: Cross multiply
    4,104.81x = 6,156.64 × 1,331.51
  4. Step 4: Simplify right side
    4,104.81x = 8,197,591.12
  5. Step 5: Solve for x
    x = 8,197,591.12/4,104.81
  6. Step 6: Final answer
    x = 1,997.07

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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.