Home / 4,188.11-5,779.53-2,299.68

Finding the Fourth Proportional to 4,188.11, 5,779.53 and 2,299.68

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Solution

The fourth proportional to 4,188.11, 5,779.53 and 2,299.68 is: 3,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.11 : 5,779.53 = 2,299.68 : x
  2. Step 2: Convert to fraction form
    4,188.11/5,779.53 = 2,299.68/x
  3. Step 3: Cross multiply
    4,188.11x = 5,779.53 × 2,299.68
  4. Step 4: Simplify right side
    4,188.11x = 13,291,069.55
  5. Step 5: Solve for x
    x = 13,291,069.55/4,188.11
  6. Step 6: Final answer
    x = 3,173.53

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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.