Home / 7,407.55-11,090.37-5,919.02

Finding the Fourth Proportional to 7,407.55, 11,090.37 and 5,919.02

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Solution

The fourth proportional to 7,407.55, 11,090.37 and 5,919.02 is: 8,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.55 : 11,090.37 = 5,919.02 : x
  2. Step 2: Convert to fraction form
    7,407.55/11,090.37 = 5,919.02/x
  3. Step 3: Cross multiply
    7,407.55x = 11,090.37 × 5,919.02
  4. Step 4: Simplify right side
    7,407.55x = 65,644,159.26
  5. Step 5: Solve for x
    x = 65,644,159.26/7,407.55
  6. Step 6: Final answer
    x = 8,861.79

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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.