Home / 5,012.28-7,515.90-1,892.16

Finding the Fourth Proportional to 5,012.28, 7,515.90 and 1,892.16

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Solution

The fourth proportional to 5,012.28, 7,515.90 and 1,892.16 is: 2,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.28 : 7,515.90 = 1,892.16 : x
  2. Step 2: Convert to fraction form
    5,012.28/7,515.90 = 1,892.16/x
  3. Step 3: Cross multiply
    5,012.28x = 7,515.90 × 1,892.16
  4. Step 4: Simplify right side
    5,012.28x = 14,221,285.34
  5. Step 5: Solve for x
    x = 14,221,285.34/5,012.28
  6. Step 6: Final answer
    x = 2,837.29

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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.