Home / 7,200.83-9,937.30-4,014.45

Finding the Fourth Proportional to 7,200.83, 9,937.30 and 4,014.45

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Solution

The fourth proportional to 7,200.83, 9,937.30 and 4,014.45 is: 5,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.83 : 9,937.30 = 4,014.45 : x
  2. Step 2: Convert to fraction form
    7,200.83/9,937.30 = 4,014.45/x
  3. Step 3: Cross multiply
    7,200.83x = 9,937.30 × 4,014.45
  4. Step 4: Simplify right side
    7,200.83x = 39,892,793.99
  5. Step 5: Solve for x
    x = 39,892,793.99/7,200.83
  6. Step 6: Final answer
    x = 5,540.03

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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.