Home / 6,775.16-9,349.28-3,790.48

Finding the Fourth Proportional to 6,775.16, 9,349.28 and 3,790.48

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Solution

The fourth proportional to 6,775.16, 9,349.28 and 3,790.48 is: 5,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.16 : 9,349.28 = 3,790.48 : x
  2. Step 2: Convert to fraction form
    6,775.16/9,349.28 = 3,790.48/x
  3. Step 3: Cross multiply
    6,775.16x = 9,349.28 × 3,790.48
  4. Step 4: Simplify right side
    6,775.16x = 35,438,212.11
  5. Step 5: Solve for x
    x = 35,438,212.11/6,775.16
  6. Step 6: Final answer
    x = 5,230.61

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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.