Home / 7,051.86-10,577.80-2,891.09

Finding the Fourth Proportional to 7,051.86, 10,577.80 and 2,891.09

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Solution

The fourth proportional to 7,051.86, 10,577.80 and 2,891.09 is: 4,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.86 : 10,577.80 = 2,891.09 : x
  2. Step 2: Convert to fraction form
    7,051.86/10,577.80 = 2,891.09/x
  3. Step 3: Cross multiply
    7,051.86x = 10,577.80 × 2,891.09
  4. Step 4: Simplify right side
    7,051.86x = 30,581,371.80
  5. Step 5: Solve for x
    x = 30,581,371.80/7,051.86
  6. Step 6: Final answer
    x = 4,336.64

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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.