Home / 5,745.70-8,615.09-2,582.58

Finding the Fourth Proportional to 5,745.70, 8,615.09 and 2,582.58

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Solution

The fourth proportional to 5,745.70, 8,615.09 and 2,582.58 is: 3,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.70 : 8,615.09 = 2,582.58 : x
  2. Step 2: Convert to fraction form
    5,745.70/8,615.09 = 2,582.58/x
  3. Step 3: Cross multiply
    5,745.70x = 8,615.09 × 2,582.58
  4. Step 4: Simplify right side
    5,745.70x = 22,249,165.59
  5. Step 5: Solve for x
    x = 22,249,165.59/5,745.70
  6. Step 6: Final answer
    x = 3,872.32

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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.