Home / 5,263.42-7,902.90-3,519.30

Finding the Fourth Proportional to 5,263.42, 7,902.90 and 3,519.30

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Solution

The fourth proportional to 5,263.42, 7,902.90 and 3,519.30 is: 5,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.42 : 7,902.90 = 3,519.30 : x
  2. Step 2: Convert to fraction form
    5,263.42/7,902.90 = 3,519.30/x
  3. Step 3: Cross multiply
    5,263.42x = 7,902.90 × 3,519.30
  4. Step 4: Simplify right side
    5,263.42x = 27,812,675.97
  5. Step 5: Solve for x
    x = 27,812,675.97/5,263.42
  6. Step 6: Final answer
    x = 5,284.15

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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.