Home / 5,236.03-7,225.23-3,139.75

Finding the Fourth Proportional to 5,236.03, 7,225.23 and 3,139.75

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Solution

The fourth proportional to 5,236.03, 7,225.23 and 3,139.75 is: 4,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.03 : 7,225.23 = 3,139.75 : x
  2. Step 2: Convert to fraction form
    5,236.03/7,225.23 = 3,139.75/x
  3. Step 3: Cross multiply
    5,236.03x = 7,225.23 × 3,139.75
  4. Step 4: Simplify right side
    5,236.03x = 22,685,415.89
  5. Step 5: Solve for x
    x = 22,685,415.89/5,236.03
  6. Step 6: Final answer
    x = 4,332.56

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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.