Home / 5,243.52-7,236.09-2,885.67

Finding the Fourth Proportional to 5,243.52, 7,236.09 and 2,885.67

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Solution

The fourth proportional to 5,243.52, 7,236.09 and 2,885.67 is: 3,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.52 : 7,236.09 = 2,885.67 : x
  2. Step 2: Convert to fraction form
    5,243.52/7,236.09 = 2,885.67/x
  3. Step 3: Cross multiply
    5,243.52x = 7,236.09 × 2,885.67
  4. Step 4: Simplify right side
    5,243.52x = 20,880,967.83
  5. Step 5: Solve for x
    x = 20,880,967.83/5,243.52
  6. Step 6: Final answer
    x = 3,982.24

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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.