Home / 5,497.45-7,586.47-2,979.63

Finding the Fourth Proportional to 5,497.45, 7,586.47 and 2,979.63

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Solution

The fourth proportional to 5,497.45, 7,586.47 and 2,979.63 is: 4,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.45 : 7,586.47 = 2,979.63 : x
  2. Step 2: Convert to fraction form
    5,497.45/7,586.47 = 2,979.63/x
  3. Step 3: Cross multiply
    5,497.45x = 7,586.47 × 2,979.63
  4. Step 4: Simplify right side
    5,497.45x = 22,604,820.78
  5. Step 5: Solve for x
    x = 22,604,820.78/5,497.45
  6. Step 6: Final answer
    x = 4,111.87

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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.