Home / 4,990.95-6,887.43-2,753.01

Finding the Fourth Proportional to 4,990.95, 6,887.43 and 2,753.01

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Solution

The fourth proportional to 4,990.95, 6,887.43 and 2,753.01 is: 3,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.95 : 6,887.43 = 2,753.01 : x
  2. Step 2: Convert to fraction form
    4,990.95/6,887.43 = 2,753.01/x
  3. Step 3: Cross multiply
    4,990.95x = 6,887.43 × 2,753.01
  4. Step 4: Simplify right side
    4,990.95x = 18,961,163.66
  5. Step 5: Solve for x
    x = 18,961,163.66/4,990.95
  6. Step 6: Final answer
    x = 3,799.11

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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.