Home / 5,012.12-7,516.58-1,724.42

Finding the Fourth Proportional to 5,012.12, 7,516.58 and 1,724.42

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Solution

The fourth proportional to 5,012.12, 7,516.58 and 1,724.42 is: 2,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.12 : 7,516.58 = 1,724.42 : x
  2. Step 2: Convert to fraction form
    5,012.12/7,516.58 = 1,724.42/x
  3. Step 3: Cross multiply
    5,012.12x = 7,516.58 × 1,724.42
  4. Step 4: Simplify right side
    5,012.12x = 12,961,740.88
  5. Step 5: Solve for x
    x = 12,961,740.88/5,012.12
  6. Step 6: Final answer
    x = 2,586.08

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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.