Home / 5,259.10-7,845.55-5,116.09

Finding the Fourth Proportional to 5,259.10, 7,845.55 and 5,116.09

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Solution

The fourth proportional to 5,259.10, 7,845.55 and 5,116.09 is: 7,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.10 : 7,845.55 = 5,116.09 : x
  2. Step 2: Convert to fraction form
    5,259.10/7,845.55 = 5,116.09/x
  3. Step 3: Cross multiply
    5,259.10x = 7,845.55 × 5,116.09
  4. Step 4: Simplify right side
    5,259.10x = 40,138,539.90
  5. Step 5: Solve for x
    x = 40,138,539.90/5,259.10
  6. Step 6: Final answer
    x = 7,632.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.