Home / 4,425.66-6,638.48-1,653.03

Finding the Fourth Proportional to 4,425.66, 6,638.48 and 1,653.03

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Solution

The fourth proportional to 4,425.66, 6,638.48 and 1,653.03 is: 2,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.66 : 6,638.48 = 1,653.03 : x
  2. Step 2: Convert to fraction form
    4,425.66/6,638.48 = 1,653.03/x
  3. Step 3: Cross multiply
    4,425.66x = 6,638.48 × 1,653.03
  4. Step 4: Simplify right side
    4,425.66x = 10,973,614.93
  5. Step 5: Solve for x
    x = 10,973,614.93/4,425.66
  6. Step 6: Final answer
    x = 2,479.54

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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.