Home / 4,740.74-7,111.08-2,550.50

Finding the Fourth Proportional to 4,740.74, 7,111.08 and 2,550.50

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Solution

The fourth proportional to 4,740.74, 7,111.08 and 2,550.50 is: 3,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.74 : 7,111.08 = 2,550.50 : x
  2. Step 2: Convert to fraction form
    4,740.74/7,111.08 = 2,550.50/x
  3. Step 3: Cross multiply
    4,740.74x = 7,111.08 × 2,550.50
  4. Step 4: Simplify right side
    4,740.74x = 18,136,809.54
  5. Step 5: Solve for x
    x = 18,136,809.54/4,740.74
  6. Step 6: Final answer
    x = 3,825.73

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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.