Home / 7,316.73-10,090.58-5,742.09

Finding the Fourth Proportional to 7,316.73, 10,090.58 and 5,742.09

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Solution

The fourth proportional to 7,316.73, 10,090.58 and 5,742.09 is: 7,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.73 : 10,090.58 = 5,742.09 : x
  2. Step 2: Convert to fraction form
    7,316.73/10,090.58 = 5,742.09/x
  3. Step 3: Cross multiply
    7,316.73x = 10,090.58 × 5,742.09
  4. Step 4: Simplify right side
    7,316.73x = 57,940,989.80
  5. Step 5: Solve for x
    x = 57,940,989.80/7,316.73
  6. Step 6: Final answer
    x = 7,918.97

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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.