Home / 7,281.40-10,049.64-4,297.06

Finding the Fourth Proportional to 7,281.40, 10,049.64 and 4,297.06

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Solution

The fourth proportional to 7,281.40, 10,049.64 and 4,297.06 is: 5,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.40 : 10,049.64 = 4,297.06 : x
  2. Step 2: Convert to fraction form
    7,281.40/10,049.64 = 4,297.06/x
  3. Step 3: Cross multiply
    7,281.40x = 10,049.64 × 4,297.06
  4. Step 4: Simplify right side
    7,281.40x = 43,183,906.06
  5. Step 5: Solve for x
    x = 43,183,906.06/7,281.40
  6. Step 6: Final answer
    x = 5,930.71

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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.