Home / 5,790.74-8,686.04-1,408.23

Finding the Fourth Proportional to 5,790.74, 8,686.04 and 1,408.23

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Solution

The fourth proportional to 5,790.74, 8,686.04 and 1,408.23 is: 2,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.74 : 8,686.04 = 1,408.23 : x
  2. Step 2: Convert to fraction form
    5,790.74/8,686.04 = 1,408.23/x
  3. Step 3: Cross multiply
    5,790.74x = 8,686.04 × 1,408.23
  4. Step 4: Simplify right side
    5,790.74x = 12,231,935.07
  5. Step 5: Solve for x
    x = 12,231,935.07/5,790.74
  6. Step 6: Final answer
    x = 2,112.33

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1.5x scale

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.