Home / 4,785.98-7,175.86-1,665.75

Finding the Fourth Proportional to 4,785.98, 7,175.86 and 1,665.75

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Solution

The fourth proportional to 4,785.98, 7,175.86 and 1,665.75 is: 2,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.98 : 7,175.86 = 1,665.75 : x
  2. Step 2: Convert to fraction form
    4,785.98/7,175.86 = 1,665.75/x
  3. Step 3: Cross multiply
    4,785.98x = 7,175.86 × 1,665.75
  4. Step 4: Simplify right side
    4,785.98x = 11,953,184.63
  5. Step 5: Solve for x
    x = 11,953,184.63/4,785.98
  6. Step 6: Final answer
    x = 2,497.54

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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.