Home / 5,132.86-7,083.34-2,774.99

Finding the Fourth Proportional to 5,132.86, 7,083.34 and 2,774.99

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Solution

The fourth proportional to 5,132.86, 7,083.34 and 2,774.99 is: 3,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.86 : 7,083.34 = 2,774.99 : x
  2. Step 2: Convert to fraction form
    5,132.86/7,083.34 = 2,774.99/x
  3. Step 3: Cross multiply
    5,132.86x = 7,083.34 × 2,774.99
  4. Step 4: Simplify right side
    5,132.86x = 19,656,208.44
  5. Step 5: Solve for x
    x = 19,656,208.44/5,132.86
  6. Step 6: Final answer
    x = 3,829.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.