Home / 4,111.01-6,158.39-2,720.13

Finding the Fourth Proportional to 4,111.01, 6,158.39 and 2,720.13

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Solution

The fourth proportional to 4,111.01, 6,158.39 and 2,720.13 is: 4,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.01 : 6,158.39 = 2,720.13 : x
  2. Step 2: Convert to fraction form
    4,111.01/6,158.39 = 2,720.13/x
  3. Step 3: Cross multiply
    4,111.01x = 6,158.39 × 2,720.13
  4. Step 4: Simplify right side
    4,111.01x = 16,751,607.79
  5. Step 5: Solve for x
    x = 16,751,607.79/4,111.01
  6. Step 6: Final answer
    x = 4,074.82

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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.