Home / 3,923.22-5,412.22-2,506.18

Finding the Fourth Proportional to 3,923.22, 5,412.22 and 2,506.18

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Solution

The fourth proportional to 3,923.22, 5,412.22 and 2,506.18 is: 3,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.22 : 5,412.22 = 2,506.18 : x
  2. Step 2: Convert to fraction form
    3,923.22/5,412.22 = 2,506.18/x
  3. Step 3: Cross multiply
    3,923.22x = 5,412.22 × 2,506.18
  4. Step 4: Simplify right side
    3,923.22x = 13,563,997.52
  5. Step 5: Solve for x
    x = 13,563,997.52/3,923.22
  6. Step 6: Final answer
    x = 3,457.36

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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.