Home / 5,289.24-7,299.26-2,931.56

Finding the Fourth Proportional to 5,289.24, 7,299.26 and 2,931.56

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Solution

The fourth proportional to 5,289.24, 7,299.26 and 2,931.56 is: 4,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.24 : 7,299.26 = 2,931.56 : x
  2. Step 2: Convert to fraction form
    5,289.24/7,299.26 = 2,931.56/x
  3. Step 3: Cross multiply
    5,289.24x = 7,299.26 × 2,931.56
  4. Step 4: Simplify right side
    5,289.24x = 21,398,218.65
  5. Step 5: Solve for x
    x = 21,398,218.65/5,289.24
  6. Step 6: Final answer
    x = 4,045.61

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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.