Home / 7,297.38-10,066.86-4,778.64

Finding the Fourth Proportional to 7,297.38, 10,066.86 and 4,778.64

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Solution

The fourth proportional to 7,297.38, 10,066.86 and 4,778.64 is: 6,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.38 : 10,066.86 = 4,778.64 : x
  2. Step 2: Convert to fraction form
    7,297.38/10,066.86 = 4,778.64/x
  3. Step 3: Cross multiply
    7,297.38x = 10,066.86 × 4,778.64
  4. Step 4: Simplify right side
    7,297.38x = 48,105,899.87
  5. Step 5: Solve for x
    x = 48,105,899.87/7,297.38
  6. Step 6: Final answer
    x = 6,592.22

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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.