Home / 5,031.15-6,938.16-3,236.79

Finding the Fourth Proportional to 5,031.15, 6,938.16 and 3,236.79

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Solution

The fourth proportional to 5,031.15, 6,938.16 and 3,236.79 is: 4,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.15 : 6,938.16 = 3,236.79 : x
  2. Step 2: Convert to fraction form
    5,031.15/6,938.16 = 3,236.79/x
  3. Step 3: Cross multiply
    5,031.15x = 6,938.16 × 3,236.79
  4. Step 4: Simplify right side
    5,031.15x = 22,457,380.79
  5. Step 5: Solve for x
    x = 22,457,380.79/5,031.15
  6. Step 6: Final answer
    x = 4,463.67

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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.