Home / 5,261.16-7,892.96-1,563.42

Finding the Fourth Proportional to 5,261.16, 7,892.96 and 1,563.42

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Solution

The fourth proportional to 5,261.16, 7,892.96 and 1,563.42 is: 2,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.16 : 7,892.96 = 1,563.42 : x
  2. Step 2: Convert to fraction form
    5,261.16/7,892.96 = 1,563.42/x
  3. Step 3: Cross multiply
    5,261.16x = 7,892.96 × 1,563.42
  4. Step 4: Simplify right side
    5,261.16x = 12,340,011.52
  5. Step 5: Solve for x
    x = 12,340,011.52/5,261.16
  6. Step 6: Final answer
    x = 2,345.49

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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.