Home / 7,162.16-10,740.24-2,777.09

Finding the Fourth Proportional to 7,162.16, 10,740.24 and 2,777.09

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Solution

The fourth proportional to 7,162.16, 10,740.24 and 2,777.09 is: 4,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.16 : 10,740.24 = 2,777.09 : x
  2. Step 2: Convert to fraction form
    7,162.16/10,740.24 = 2,777.09/x
  3. Step 3: Cross multiply
    7,162.16x = 10,740.24 × 2,777.09
  4. Step 4: Simplify right side
    7,162.16x = 29,826,559.40
  5. Step 5: Solve for x
    x = 29,826,559.40/7,162.16
  6. Step 6: Final answer
    x = 4,164.47

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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.