Home / 5,638.07-8,457.17-2,518.24

Finding the Fourth Proportional to 5,638.07, 8,457.17 and 2,518.24

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Solution

The fourth proportional to 5,638.07, 8,457.17 and 2,518.24 is: 3,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.07 : 8,457.17 = 2,518.24 : x
  2. Step 2: Convert to fraction form
    5,638.07/8,457.17 = 2,518.24/x
  3. Step 3: Cross multiply
    5,638.07x = 8,457.17 × 2,518.24
  4. Step 4: Simplify right side
    5,638.07x = 21,297,128.90
  5. Step 5: Solve for x
    x = 21,297,128.90/5,638.07
  6. Step 6: Final answer
    x = 3,777.38

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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.