Home / 5,011.62-7,511.61-1,889.63

Finding the Fourth Proportional to 5,011.62, 7,511.61 and 1,889.63

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Solution

The fourth proportional to 5,011.62, 7,511.61 and 1,889.63 is: 2,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.62 : 7,511.61 = 1,889.63 : x
  2. Step 2: Convert to fraction form
    5,011.62/7,511.61 = 1,889.63/x
  3. Step 3: Cross multiply
    5,011.62x = 7,511.61 × 1,889.63
  4. Step 4: Simplify right side
    5,011.62x = 14,194,126.05
  5. Step 5: Solve for x
    x = 14,194,126.05/5,011.62
  6. Step 6: Final answer
    x = 2,832.25

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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.