Home / 5,036.85-6,949.80-2,940.98

Finding the Fourth Proportional to 5,036.85, 6,949.80 and 2,940.98

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Solution

The fourth proportional to 5,036.85, 6,949.80 and 2,940.98 is: 4,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.85 : 6,949.80 = 2,940.98 : x
  2. Step 2: Convert to fraction form
    5,036.85/6,949.80 = 2,940.98/x
  3. Step 3: Cross multiply
    5,036.85x = 6,949.80 × 2,940.98
  4. Step 4: Simplify right side
    5,036.85x = 20,439,188.06
  5. Step 5: Solve for x
    x = 20,439,188.06/5,036.85
  6. Step 6: Final answer
    x = 4,057.93

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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.