Home / 3,747.93-5,172.35-2,256.32

Finding the Fourth Proportional to 3,747.93, 5,172.35 and 2,256.32

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Solution

The fourth proportional to 3,747.93, 5,172.35 and 2,256.32 is: 3,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.93 : 5,172.35 = 2,256.32 : x
  2. Step 2: Convert to fraction form
    3,747.93/5,172.35 = 2,256.32/x
  3. Step 3: Cross multiply
    3,747.93x = 5,172.35 × 2,256.32
  4. Step 4: Simplify right side
    3,747.93x = 11,670,476.75
  5. Step 5: Solve for x
    x = 11,670,476.75/3,747.93
  6. Step 6: Final answer
    x = 3,113.85

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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.