Home / 5,007.35-6,903.86-3,211.66

Finding the Fourth Proportional to 5,007.35, 6,903.86 and 3,211.66

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Solution

The fourth proportional to 5,007.35, 6,903.86 and 3,211.66 is: 4,428.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.35 : 6,903.86 = 3,211.66 : x
  2. Step 2: Convert to fraction form
    5,007.35/6,903.86 = 3,211.66/x
  3. Step 3: Cross multiply
    5,007.35x = 6,903.86 × 3,211.66
  4. Step 4: Simplify right side
    5,007.35x = 22,172,861.64
  5. Step 5: Solve for x
    x = 22,172,861.64/5,007.35
  6. Step 6: Final answer
    x = 4,428.07

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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.