Home / 5,631.37-8,434.36-2,711.86

Finding the Fourth Proportional to 5,631.37, 8,434.36 and 2,711.86

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Solution

The fourth proportional to 5,631.37, 8,434.36 and 2,711.86 is: 4,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.37 : 8,434.36 = 2,711.86 : x
  2. Step 2: Convert to fraction form
    5,631.37/8,434.36 = 2,711.86/x
  3. Step 3: Cross multiply
    5,631.37x = 8,434.36 × 2,711.86
  4. Step 4: Simplify right side
    5,631.37x = 22,872,803.51
  5. Step 5: Solve for x
    x = 22,872,803.51/5,631.37
  6. Step 6: Final answer
    x = 4,061.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.