Home / 3,967.89-5,475.75-2,395.68

Finding the Fourth Proportional to 3,967.89, 5,475.75 and 2,395.68

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Solution

The fourth proportional to 3,967.89, 5,475.75 and 2,395.68 is: 3,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.89 : 5,475.75 = 2,395.68 : x
  2. Step 2: Convert to fraction form
    3,967.89/5,475.75 = 2,395.68/x
  3. Step 3: Cross multiply
    3,967.89x = 5,475.75 × 2,395.68
  4. Step 4: Simplify right side
    3,967.89x = 13,118,144.76
  5. Step 5: Solve for x
    x = 13,118,144.76/3,967.89
  6. Step 6: Final answer
    x = 3,306.08

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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.