Home / 4,120.12-5,685.40-2,441.23

Finding the Fourth Proportional to 4,120.12, 5,685.40 and 2,441.23

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Solution

The fourth proportional to 4,120.12, 5,685.40 and 2,441.23 is: 3,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.12 : 5,685.40 = 2,441.23 : x
  2. Step 2: Convert to fraction form
    4,120.12/5,685.40 = 2,441.23/x
  3. Step 3: Cross multiply
    4,120.12x = 5,685.40 × 2,441.23
  4. Step 4: Simplify right side
    4,120.12x = 13,879,369.04
  5. Step 5: Solve for x
    x = 13,879,369.04/4,120.12
  6. Step 6: Final answer
    x = 3,368.68

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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.