Home / 5,425.07-7,485.32-3,066.89

Finding the Fourth Proportional to 5,425.07, 7,485.32 and 3,066.89

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Solution

The fourth proportional to 5,425.07, 7,485.32 and 3,066.89 is: 4,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.07 : 7,485.32 = 3,066.89 : x
  2. Step 2: Convert to fraction form
    5,425.07/7,485.32 = 3,066.89/x
  3. Step 3: Cross multiply
    5,425.07x = 7,485.32 × 3,066.89
  4. Step 4: Simplify right side
    5,425.07x = 22,956,623.30
  5. Step 5: Solve for x
    x = 22,956,623.30/5,425.07
  6. Step 6: Final answer
    x = 4,231.58

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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.