Home / 5,040.63-6,949.80-3,976.29

Finding the Fourth Proportional to 5,040.63, 6,949.80 and 3,976.29

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Solution

The fourth proportional to 5,040.63, 6,949.80 and 3,976.29 is: 5,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.63 : 6,949.80 = 3,976.29 : x
  2. Step 2: Convert to fraction form
    5,040.63/6,949.80 = 3,976.29/x
  3. Step 3: Cross multiply
    5,040.63x = 6,949.80 × 3,976.29
  4. Step 4: Simplify right side
    5,040.63x = 27,634,420.24
  5. Step 5: Solve for x
    x = 27,634,420.24/5,040.63
  6. Step 6: Final answer
    x = 5,482.33

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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.