Home / 5,252.55-7,878.90-3,484.92

Finding the Fourth Proportional to 5,252.55, 7,878.90 and 3,484.92

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Solution

The fourth proportional to 5,252.55, 7,878.90 and 3,484.92 is: 5,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.55 : 7,878.90 = 3,484.92 : x
  2. Step 2: Convert to fraction form
    5,252.55/7,878.90 = 3,484.92/x
  3. Step 3: Cross multiply
    5,252.55x = 7,878.90 × 3,484.92
  4. Step 4: Simplify right side
    5,252.55x = 27,457,336.19
  5. Step 5: Solve for x
    x = 27,457,336.19/5,252.55
  6. Step 6: Final answer
    x = 5,227.43

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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.