Home / 4,099.44-5,656.31-2,420.92

Finding the Fourth Proportional to 4,099.44, 5,656.31 and 2,420.92

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Solution

The fourth proportional to 4,099.44, 5,656.31 and 2,420.92 is: 3,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.44 : 5,656.31 = 2,420.92 : x
  2. Step 2: Convert to fraction form
    4,099.44/5,656.31 = 2,420.92/x
  3. Step 3: Cross multiply
    4,099.44x = 5,656.31 × 2,420.92
  4. Step 4: Simplify right side
    4,099.44x = 13,693,445.72
  5. Step 5: Solve for x
    x = 13,693,445.72/4,099.44
  6. Step 6: Final answer
    x = 3,340.32

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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.