Home / 4,991.30-6,887.99-2,753.32

Finding the Fourth Proportional to 4,991.30, 6,887.99 and 2,753.32

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Solution

The fourth proportional to 4,991.30, 6,887.99 and 2,753.32 is: 3,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.30 : 6,887.99 = 2,753.32 : x
  2. Step 2: Convert to fraction form
    4,991.30/6,887.99 = 2,753.32/x
  3. Step 3: Cross multiply
    4,991.30x = 6,887.99 × 2,753.32
  4. Step 4: Simplify right side
    4,991.30x = 18,964,840.63
  5. Step 5: Solve for x
    x = 18,964,840.63/4,991.30
  6. Step 6: Final answer
    x = 3,799.58

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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.