Home / 4,216.10-5,815.80-2,447.48

Finding the Fourth Proportional to 4,216.10, 5,815.80 and 2,447.48

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Solution

The fourth proportional to 4,216.10, 5,815.80 and 2,447.48 is: 3,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.10 : 5,815.80 = 2,447.48 : x
  2. Step 2: Convert to fraction form
    4,216.10/5,815.80 = 2,447.48/x
  3. Step 3: Cross multiply
    4,216.10x = 5,815.80 × 2,447.48
  4. Step 4: Simplify right side
    4,216.10x = 14,234,054.18
  5. Step 5: Solve for x
    x = 14,234,054.18/4,216.10
  6. Step 6: Final answer
    x = 3,376.12

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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.