Home / 5,411.74-7,465.82-3,172.48

Finding the Fourth Proportional to 5,411.74, 7,465.82 and 3,172.48

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Solution

The fourth proportional to 5,411.74, 7,465.82 and 3,172.48 is: 4,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.74 : 7,465.82 = 3,172.48 : x
  2. Step 2: Convert to fraction form
    5,411.74/7,465.82 = 3,172.48/x
  3. Step 3: Cross multiply
    5,411.74x = 7,465.82 × 3,172.48
  4. Step 4: Simplify right side
    5,411.74x = 23,685,164.63
  5. Step 5: Solve for x
    x = 23,685,164.63/5,411.74
  6. Step 6: Final answer
    x = 4,376.63

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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.