Home / 5,239.44-7,822.80-4,714.56

Finding the Fourth Proportional to 5,239.44, 7,822.80 and 4,714.56

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Solution

The fourth proportional to 5,239.44, 7,822.80 and 4,714.56 is: 7,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.44 : 7,822.80 = 4,714.56 : x
  2. Step 2: Convert to fraction form
    5,239.44/7,822.80 = 4,714.56/x
  3. Step 3: Cross multiply
    5,239.44x = 7,822.80 × 4,714.56
  4. Step 4: Simplify right side
    5,239.44x = 36,881,059.97
  5. Step 5: Solve for x
    x = 36,881,059.97/5,239.44
  6. Step 6: Final answer
    x = 7,039.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.