Home / 6,740.82-10,108.80-4,660.74

Finding the Fourth Proportional to 6,740.82, 10,108.80 and 4,660.74

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Solution

The fourth proportional to 6,740.82, 10,108.80 and 4,660.74 is: 6,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.82 : 10,108.80 = 4,660.74 : x
  2. Step 2: Convert to fraction form
    6,740.82/10,108.80 = 4,660.74/x
  3. Step 3: Cross multiply
    6,740.82x = 10,108.80 × 4,660.74
  4. Step 4: Simplify right side
    6,740.82x = 47,114,488.51
  5. Step 5: Solve for x
    x = 47,114,488.51/6,740.82
  6. Step 6: Final answer
    x = 6,989.43

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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.