Home / 6,364.67-8,781.45-4,126.64

Finding the Fourth Proportional to 6,364.67, 8,781.45 and 4,126.64

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Solution

The fourth proportional to 6,364.67, 8,781.45 and 4,126.64 is: 5,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.67 : 8,781.45 = 4,126.64 : x
  2. Step 2: Convert to fraction form
    6,364.67/8,781.45 = 4,126.64/x
  3. Step 3: Cross multiply
    6,364.67x = 8,781.45 × 4,126.64
  4. Step 4: Simplify right side
    6,364.67x = 36,237,882.83
  5. Step 5: Solve for x
    x = 36,237,882.83/6,364.67
  6. Step 6: Final answer
    x = 5,693.60

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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.