Home / 4,997.04-6,895.80-2,758.78

Finding the Fourth Proportional to 4,997.04, 6,895.80 and 2,758.78

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Solution

The fourth proportional to 4,997.04, 6,895.80 and 2,758.78 is: 3,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.04 : 6,895.80 = 2,758.78 : x
  2. Step 2: Convert to fraction form
    4,997.04/6,895.80 = 2,758.78/x
  3. Step 3: Cross multiply
    4,997.04x = 6,895.80 × 2,758.78
  4. Step 4: Simplify right side
    4,997.04x = 19,023,995.12
  5. Step 5: Solve for x
    x = 19,023,995.12/4,997.04
  6. Step 6: Final answer
    x = 3,807.05

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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.