Home / 4,740.06-7,115.10-2,661.84

Finding the Fourth Proportional to 4,740.06, 7,115.10 and 2,661.84

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Solution

The fourth proportional to 4,740.06, 7,115.10 and 2,661.84 is: 3,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.06 : 7,115.10 = 2,661.84 : x
  2. Step 2: Convert to fraction form
    4,740.06/7,115.10 = 2,661.84/x
  3. Step 3: Cross multiply
    4,740.06x = 7,115.10 × 2,661.84
  4. Step 4: Simplify right side
    4,740.06x = 18,939,257.78
  5. Step 5: Solve for x
    x = 18,939,257.78/4,740.06
  6. Step 6: Final answer
    x = 3,995.57

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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.