Home / 4,435.23-6,120.63-2,445.78

Finding the Fourth Proportional to 4,435.23, 6,120.63 and 2,445.78

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Solution

The fourth proportional to 4,435.23, 6,120.63 and 2,445.78 is: 3,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.23 : 6,120.63 = 2,445.78 : x
  2. Step 2: Convert to fraction form
    4,435.23/6,120.63 = 2,445.78/x
  3. Step 3: Cross multiply
    4,435.23x = 6,120.63 × 2,445.78
  4. Step 4: Simplify right side
    4,435.23x = 14,969,737.39
  5. Step 5: Solve for x
    x = 14,969,737.39/4,435.23
  6. Step 6: Final answer
    x = 3,375.19

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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.