Home / 4,800.13-7,188.10-3,039.80

Finding the Fourth Proportional to 4,800.13, 7,188.10 and 3,039.80

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Solution

The fourth proportional to 4,800.13, 7,188.10 and 3,039.80 is: 4,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.13 : 7,188.10 = 3,039.80 : x
  2. Step 2: Convert to fraction form
    4,800.13/7,188.10 = 3,039.80/x
  3. Step 3: Cross multiply
    4,800.13x = 7,188.10 × 3,039.80
  4. Step 4: Simplify right side
    4,800.13x = 21,850,342.84
  5. Step 5: Solve for x
    x = 21,850,342.84/4,800.13
  6. Step 6: Final answer
    x = 4,552.03

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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.