Home / 5,101.94-7,041.66-2,977.72

Finding the Fourth Proportional to 5,101.94, 7,041.66 and 2,977.72

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Solution

The fourth proportional to 5,101.94, 7,041.66 and 2,977.72 is: 4,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.94 : 7,041.66 = 2,977.72 : x
  2. Step 2: Convert to fraction form
    5,101.94/7,041.66 = 2,977.72/x
  3. Step 3: Cross multiply
    5,101.94x = 7,041.66 × 2,977.72
  4. Step 4: Simplify right side
    5,101.94x = 20,968,091.82
  5. Step 5: Solve for x
    x = 20,968,091.82/5,101.94
  6. Step 6: Final answer
    x = 4,109.83

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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.