Home / 3,925.41-5,418.68-2,435.01

Finding the Fourth Proportional to 3,925.41, 5,418.68 and 2,435.01

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Solution

The fourth proportional to 3,925.41, 5,418.68 and 2,435.01 is: 3,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.41 : 5,418.68 = 2,435.01 : x
  2. Step 2: Convert to fraction form
    3,925.41/5,418.68 = 2,435.01/x
  3. Step 3: Cross multiply
    3,925.41x = 5,418.68 × 2,435.01
  4. Step 4: Simplify right side
    3,925.41x = 13,194,527.81
  5. Step 5: Solve for x
    x = 13,194,527.81/3,925.41
  6. Step 6: Final answer
    x = 3,361.31

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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.