Home / 5,333.64-7,360.42-2,975.78

Finding the Fourth Proportional to 5,333.64, 7,360.42 and 2,975.78

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Solution

The fourth proportional to 5,333.64, 7,360.42 and 2,975.78 is: 4,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.64 : 7,360.42 = 2,975.78 : x
  2. Step 2: Convert to fraction form
    5,333.64/7,360.42 = 2,975.78/x
  3. Step 3: Cross multiply
    5,333.64x = 7,360.42 × 2,975.78
  4. Step 4: Simplify right side
    5,333.64x = 21,902,953.83
  5. Step 5: Solve for x
    x = 21,902,953.83/5,333.64
  6. Step 6: Final answer
    x = 4,106.57

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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.