Home / 7,602.16-11,390.40-5,399.94

Finding the Fourth Proportional to 7,602.16, 11,390.40 and 5,399.94

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Solution

The fourth proportional to 7,602.16, 11,390.40 and 5,399.94 is: 8,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.16 : 11,390.40 = 5,399.94 : x
  2. Step 2: Convert to fraction form
    7,602.16/11,390.40 = 5,399.94/x
  3. Step 3: Cross multiply
    7,602.16x = 11,390.40 × 5,399.94
  4. Step 4: Simplify right side
    7,602.16x = 61,507,476.58
  5. Step 5: Solve for x
    x = 61,507,476.58/7,602.16
  6. Step 6: Final answer
    x = 8,090.79

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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.