Home / 4,120.81-5,687.03-2,352.53

Finding the Fourth Proportional to 4,120.81, 5,687.03 and 2,352.53

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Solution

The fourth proportional to 4,120.81, 5,687.03 and 2,352.53 is: 3,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.81 : 5,687.03 = 2,352.53 : x
  2. Step 2: Convert to fraction form
    4,120.81/5,687.03 = 2,352.53/x
  3. Step 3: Cross multiply
    4,120.81x = 5,687.03 × 2,352.53
  4. Step 4: Simplify right side
    4,120.81x = 13,378,908.69
  5. Step 5: Solve for x
    x = 13,378,908.69/4,120.81
  6. Step 6: Final answer
    x = 3,246.67

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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.