Home / 2,475.27-3,713.49-720.33

Finding the Fourth Proportional to 2,475.27, 3,713.49 and 720.33

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Solution

The fourth proportional to 2,475.27, 3,713.49 and 720.33 is: 1,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.27 : 3,713.49 = 720.33 : x
  2. Step 2: Convert to fraction form
    2,475.27/3,713.49 = 720.33/x
  3. Step 3: Cross multiply
    2,475.27x = 3,713.49 × 720.33
  4. Step 4: Simplify right side
    2,475.27x = 2,674,938.25
  5. Step 5: Solve for x
    x = 2,674,938.25/2,475.27
  6. Step 6: Final answer
    x = 1,080.67

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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.