Home / 3,798.96-5,243.18-2,307.86

Finding the Fourth Proportional to 3,798.96, 5,243.18 and 2,307.86

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Solution

The fourth proportional to 3,798.96, 5,243.18 and 2,307.86 is: 3,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.96 : 5,243.18 = 2,307.86 : x
  2. Step 2: Convert to fraction form
    3,798.96/5,243.18 = 2,307.86/x
  3. Step 3: Cross multiply
    3,798.96x = 5,243.18 × 2,307.86
  4. Step 4: Simplify right side
    3,798.96x = 12,100,525.39
  5. Step 5: Solve for x
    x = 12,100,525.39/3,798.96
  6. Step 6: Final answer
    x = 3,185.22

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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.