Home / 6,740.80-10,111.68-2,357.76

Finding the Fourth Proportional to 6,740.80, 10,111.68 and 2,357.76

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Solution

The fourth proportional to 6,740.80, 10,111.68 and 2,357.76 is: 3,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.80 : 10,111.68 = 2,357.76 : x
  2. Step 2: Convert to fraction form
    6,740.80/10,111.68 = 2,357.76/x
  3. Step 3: Cross multiply
    6,740.80x = 10,111.68 × 2,357.76
  4. Step 4: Simplify right side
    6,740.80x = 23,840,914.64
  5. Step 5: Solve for x
    x = 23,840,914.64/6,740.80
  6. Step 6: Final answer
    x = 3,536.81

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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.