Home / 5,109.53-7,663.32-1,599.00

Finding the Fourth Proportional to 5,109.53, 7,663.32 and 1,599.00

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Solution

The fourth proportional to 5,109.53, 7,663.32 and 1,599.00 is: 2,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.53 : 7,663.32 = 1,599.00 : x
  2. Step 2: Convert to fraction form
    5,109.53/7,663.32 = 1,599.00/x
  3. Step 3: Cross multiply
    5,109.53x = 7,663.32 × 1,599.00
  4. Step 4: Simplify right side
    5,109.53x = 12,253,663.05
  5. Step 5: Solve for x
    x = 12,253,663.05/5,109.53
  6. Step 6: Final answer
    x = 2,398.20

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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.