Home / 4,761.72-6,570.54-2,665.80

Finding the Fourth Proportional to 4,761.72, 6,570.54 and 2,665.80

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Solution

The fourth proportional to 4,761.72, 6,570.54 and 2,665.80 is: 3,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.72 : 6,570.54 = 2,665.80 : x
  2. Step 2: Convert to fraction form
    4,761.72/6,570.54 = 2,665.80/x
  3. Step 3: Cross multiply
    4,761.72x = 6,570.54 × 2,665.80
  4. Step 4: Simplify right side
    4,761.72x = 17,515,745.53
  5. Step 5: Solve for x
    x = 17,515,745.53/4,761.72
  6. Step 6: Final answer
    x = 3,678.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.