Home / 7,072.31-9,757.77-4,555.88

Finding the Fourth Proportional to 7,072.31, 9,757.77 and 4,555.88

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Solution

The fourth proportional to 7,072.31, 9,757.77 and 4,555.88 is: 6,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.31 : 9,757.77 = 4,555.88 : x
  2. Step 2: Convert to fraction form
    7,072.31/9,757.77 = 4,555.88/x
  3. Step 3: Cross multiply
    7,072.31x = 9,757.77 × 4,555.88
  4. Step 4: Simplify right side
    7,072.31x = 44,455,199.91
  5. Step 5: Solve for x
    x = 44,455,199.91/7,072.31
  6. Step 6: Final answer
    x = 6,285.81

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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.