Home / 5,245.86-7,239.07-3,007.53

Finding the Fourth Proportional to 5,245.86, 7,239.07 and 3,007.53

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Solution

The fourth proportional to 5,245.86, 7,239.07 and 3,007.53 is: 4,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.86 : 7,239.07 = 3,007.53 : x
  2. Step 2: Convert to fraction form
    5,245.86/7,239.07 = 3,007.53/x
  3. Step 3: Cross multiply
    5,245.86x = 7,239.07 × 3,007.53
  4. Step 4: Simplify right side
    5,245.86x = 21,771,723.96
  5. Step 5: Solve for x
    x = 21,771,723.96/5,245.86
  6. Step 6: Final answer
    x = 4,150.26

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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.