Home / 4,425.42-6,638.31-1,503.75

Finding the Fourth Proportional to 4,425.42, 6,638.31 and 1,503.75

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Solution

The fourth proportional to 4,425.42, 6,638.31 and 1,503.75 is: 2,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.42 : 6,638.31 = 1,503.75 : x
  2. Step 2: Convert to fraction form
    4,425.42/6,638.31 = 1,503.75/x
  3. Step 3: Cross multiply
    4,425.42x = 6,638.31 × 1,503.75
  4. Step 4: Simplify right side
    4,425.42x = 9,982,358.66
  5. Step 5: Solve for x
    x = 9,982,358.66/4,425.42
  6. Step 6: Final answer
    x = 2,255.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.