Home / 5,580.87-8,372.07-1,884.15

Finding the Fourth Proportional to 5,580.87, 8,372.07 and 1,884.15

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Solution

The fourth proportional to 5,580.87, 8,372.07 and 1,884.15 is: 2,826.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.87 : 8,372.07 = 1,884.15 : x
  2. Step 2: Convert to fraction form
    5,580.87/8,372.07 = 1,884.15/x
  3. Step 3: Cross multiply
    5,580.87x = 8,372.07 × 1,884.15
  4. Step 4: Simplify right side
    5,580.87x = 15,774,235.69
  5. Step 5: Solve for x
    x = 15,774,235.69/5,580.87
  6. Step 6: Final answer
    x = 2,826.49

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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.