Home / 5,790.81-7,988.37-3,662.75

Finding the Fourth Proportional to 5,790.81, 7,988.37 and 3,662.75

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Solution

The fourth proportional to 5,790.81, 7,988.37 and 3,662.75 is: 5,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.81 : 7,988.37 = 3,662.75 : x
  2. Step 2: Convert to fraction form
    5,790.81/7,988.37 = 3,662.75/x
  3. Step 3: Cross multiply
    5,790.81x = 7,988.37 × 3,662.75
  4. Step 4: Simplify right side
    5,790.81x = 29,259,429.06
  5. Step 5: Solve for x
    x = 29,259,429.06/5,790.81
  6. Step 6: Final answer
    x = 5,052.74

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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.