Home / 5,384.46-8,071.80-3,996.12

Finding the Fourth Proportional to 5,384.46, 8,071.80 and 3,996.12

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Solution

The fourth proportional to 5,384.46, 8,071.80 and 3,996.12 is: 5,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.46 : 8,071.80 = 3,996.12 : x
  2. Step 2: Convert to fraction form
    5,384.46/8,071.80 = 3,996.12/x
  3. Step 3: Cross multiply
    5,384.46x = 8,071.80 × 3,996.12
  4. Step 4: Simplify right side
    5,384.46x = 32,255,881.42
  5. Step 5: Solve for x
    x = 32,255,881.42/5,384.46
  6. Step 6: Final answer
    x = 5,990.55

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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.