Home / 4,664.15-6,991.29-1,543.35

Finding the Fourth Proportional to 4,664.15, 6,991.29 and 1,543.35

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Solution

The fourth proportional to 4,664.15, 6,991.29 and 1,543.35 is: 2,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.15 : 6,991.29 = 1,543.35 : x
  2. Step 2: Convert to fraction form
    4,664.15/6,991.29 = 1,543.35/x
  3. Step 3: Cross multiply
    4,664.15x = 6,991.29 × 1,543.35
  4. Step 4: Simplify right side
    4,664.15x = 10,790,007.42
  5. Step 5: Solve for x
    x = 10,790,007.42/4,664.15
  6. Step 6: Final answer
    x = 2,313.39

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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.