Home / 5,247.57-7,239.42-3,358.74

Finding the Fourth Proportional to 5,247.57, 7,239.42 and 3,358.74

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Solution

The fourth proportional to 5,247.57, 7,239.42 and 3,358.74 is: 4,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.57 : 7,239.42 = 3,358.74 : x
  2. Step 2: Convert to fraction form
    5,247.57/7,239.42 = 3,358.74/x
  3. Step 3: Cross multiply
    5,247.57x = 7,239.42 × 3,358.74
  4. Step 4: Simplify right side
    5,247.57x = 24,315,329.53
  5. Step 5: Solve for x
    x = 24,315,329.53/5,247.57
  6. Step 6: Final answer
    x = 4,633.64

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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.