Home / 5,208.84-7,180.72-3,714.17

Finding the Fourth Proportional to 5,208.84, 7,180.72 and 3,714.17

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Solution

The fourth proportional to 5,208.84, 7,180.72 and 3,714.17 is: 5,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.84 : 7,180.72 = 3,714.17 : x
  2. Step 2: Convert to fraction form
    5,208.84/7,180.72 = 3,714.17/x
  3. Step 3: Cross multiply
    5,208.84x = 7,180.72 × 3,714.17
  4. Step 4: Simplify right side
    5,208.84x = 26,670,414.80
  5. Step 5: Solve for x
    x = 26,670,414.80/5,208.84
  6. Step 6: Final answer
    x = 5,120.22

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1.5x scale

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.