Home / 4,818.35-6,644.05-3,136.66

Finding the Fourth Proportional to 4,818.35, 6,644.05 and 3,136.66

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Solution

The fourth proportional to 4,818.35, 6,644.05 and 3,136.66 is: 4,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.35 : 6,644.05 = 3,136.66 : x
  2. Step 2: Convert to fraction form
    4,818.35/6,644.05 = 3,136.66/x
  3. Step 3: Cross multiply
    4,818.35x = 6,644.05 × 3,136.66
  4. Step 4: Simplify right side
    4,818.35x = 20,840,101.42
  5. Step 5: Solve for x
    x = 20,840,101.42/4,818.35
  6. Step 6: Final answer
    x = 4,325.15

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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.