Home / 5,132.15-7,082.37-2,774.29

Finding the Fourth Proportional to 5,132.15, 7,082.37 and 2,774.29

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Solution

The fourth proportional to 5,132.15, 7,082.37 and 2,774.29 is: 3,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.15 : 7,082.37 = 2,774.29 : x
  2. Step 2: Convert to fraction form
    5,132.15/7,082.37 = 2,774.29/x
  3. Step 3: Cross multiply
    5,132.15x = 7,082.37 × 2,774.29
  4. Step 4: Simplify right side
    5,132.15x = 19,648,551.87
  5. Step 5: Solve for x
    x = 19,648,551.87/5,132.15
  6. Step 6: Final answer
    x = 3,828.52

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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.