Home / 5,091.86-7,623.09-2,977.08

Finding the Fourth Proportional to 5,091.86, 7,623.09 and 2,977.08

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Solution

The fourth proportional to 5,091.86, 7,623.09 and 2,977.08 is: 4,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.86 : 7,623.09 = 2,977.08 : x
  2. Step 2: Convert to fraction form
    5,091.86/7,623.09 = 2,977.08/x
  3. Step 3: Cross multiply
    5,091.86x = 7,623.09 × 2,977.08
  4. Step 4: Simplify right side
    5,091.86x = 22,694,548.78
  5. Step 5: Solve for x
    x = 22,694,548.78/5,091.86
  6. Step 6: Final answer
    x = 4,457.03

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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.