Home / 4,740.82-7,102.58-4,000.74

Finding the Fourth Proportional to 4,740.82, 7,102.58 and 4,000.74

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Solution

The fourth proportional to 4,740.82, 7,102.58 and 4,000.74 is: 5,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.82 : 7,102.58 = 4,000.74 : x
  2. Step 2: Convert to fraction form
    4,740.82/7,102.58 = 4,000.74/x
  3. Step 3: Cross multiply
    4,740.82x = 7,102.58 × 4,000.74
  4. Step 4: Simplify right side
    4,740.82x = 28,415,575.91
  5. Step 5: Solve for x
    x = 28,415,575.91/4,740.82
  6. Step 6: Final answer
    x = 5,993.81

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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.