Home / 5,027.48-6,938.75-2,790.08

Finding the Fourth Proportional to 5,027.48, 6,938.75 and 2,790.08

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Solution

The fourth proportional to 5,027.48, 6,938.75 and 2,790.08 is: 3,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.48 : 6,938.75 = 2,790.08 : x
  2. Step 2: Convert to fraction form
    5,027.48/6,938.75 = 2,790.08/x
  3. Step 3: Cross multiply
    5,027.48x = 6,938.75 × 2,790.08
  4. Step 4: Simplify right side
    5,027.48x = 19,359,629.42
  5. Step 5: Solve for x
    x = 19,359,629.42/5,027.48
  6. Step 6: Final answer
    x = 3,850.76

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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.