Home / 5,245.74-7,239.14-3,007.66

Finding the Fourth Proportional to 5,245.74, 7,239.14 and 3,007.66

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Solution

The fourth proportional to 5,245.74, 7,239.14 and 3,007.66 is: 4,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.74 : 7,239.14 = 3,007.66 : x
  2. Step 2: Convert to fraction form
    5,245.74/7,239.14 = 3,007.66/x
  3. Step 3: Cross multiply
    5,245.74x = 7,239.14 × 3,007.66
  4. Step 4: Simplify right side
    5,245.74x = 21,772,871.81
  5. Step 5: Solve for x
    x = 21,772,871.81/5,245.74
  6. Step 6: Final answer
    x = 4,150.58

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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.