Home / 3,534.87-4,878.16-1,962.96

Finding the Fourth Proportional to 3,534.87, 4,878.16 and 1,962.96

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Solution

The fourth proportional to 3,534.87, 4,878.16 and 1,962.96 is: 2,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.87 : 4,878.16 = 1,962.96 : x
  2. Step 2: Convert to fraction form
    3,534.87/4,878.16 = 1,962.96/x
  3. Step 3: Cross multiply
    3,534.87x = 4,878.16 × 1,962.96
  4. Step 4: Simplify right side
    3,534.87x = 9,575,628.05
  5. Step 5: Solve for x
    x = 9,575,628.05/3,534.87
  6. Step 6: Final answer
    x = 2,708.91

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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.