Home / 4,435.12-6,120.42-2,445.64

Finding the Fourth Proportional to 4,435.12, 6,120.42 and 2,445.64

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Solution

The fourth proportional to 4,435.12, 6,120.42 and 2,445.64 is: 3,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.12 : 6,120.42 = 2,445.64 : x
  2. Step 2: Convert to fraction form
    4,435.12/6,120.42 = 2,445.64/x
  3. Step 3: Cross multiply
    4,435.12x = 6,120.42 × 2,445.64
  4. Step 4: Simplify right side
    4,435.12x = 14,968,343.97
  5. Step 5: Solve for x
    x = 14,968,343.97/4,435.12
  6. Step 6: Final answer
    x = 3,374.96

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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.