Home / 5,036.40-6,949.44-2,940.48

Finding the Fourth Proportional to 5,036.40, 6,949.44 and 2,940.48

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Solution

The fourth proportional to 5,036.40, 6,949.44 and 2,940.48 is: 4,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.40 : 6,949.44 = 2,940.48 : x
  2. Step 2: Convert to fraction form
    5,036.40/6,949.44 = 2,940.48/x
  3. Step 3: Cross multiply
    5,036.40x = 6,949.44 × 2,940.48
  4. Step 4: Simplify right side
    5,036.40x = 20,434,689.33
  5. Step 5: Solve for x
    x = 20,434,689.33/5,036.40
  6. Step 6: Final answer
    x = 4,057.40

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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.