Home / 7,051.96-9,731.18-3,864.75

Finding the Fourth Proportional to 7,051.96, 9,731.18 and 3,864.75

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Solution

The fourth proportional to 7,051.96, 9,731.18 and 3,864.75 is: 5,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.96 : 9,731.18 = 3,864.75 : x
  2. Step 2: Convert to fraction form
    7,051.96/9,731.18 = 3,864.75/x
  3. Step 3: Cross multiply
    7,051.96x = 9,731.18 × 3,864.75
  4. Step 4: Simplify right side
    7,051.96x = 37,608,551.07
  5. Step 5: Solve for x
    x = 37,608,551.07/7,051.96
  6. Step 6: Final answer
    x = 5,333.06

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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.