Home / 5,335.16-8,006.52-1,872.68

Finding the Fourth Proportional to 5,335.16, 8,006.52 and 1,872.68

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Solution

The fourth proportional to 5,335.16, 8,006.52 and 1,872.68 is: 2,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.16 : 8,006.52 = 1,872.68 : x
  2. Step 2: Convert to fraction form
    5,335.16/8,006.52 = 1,872.68/x
  3. Step 3: Cross multiply
    5,335.16x = 8,006.52 × 1,872.68
  4. Step 4: Simplify right side
    5,335.16x = 14,993,649.87
  5. Step 5: Solve for x
    x = 14,993,649.87/5,335.16
  6. Step 6: Final answer
    x = 2,810.35

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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.