Home / 4,077.12-5,626.14-2,308.40

Finding the Fourth Proportional to 4,077.12, 5,626.14 and 2,308.40

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Solution

The fourth proportional to 4,077.12, 5,626.14 and 2,308.40 is: 3,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.12 : 5,626.14 = 2,308.40 : x
  2. Step 2: Convert to fraction form
    4,077.12/5,626.14 = 2,308.40/x
  3. Step 3: Cross multiply
    4,077.12x = 5,626.14 × 2,308.40
  4. Step 4: Simplify right side
    4,077.12x = 12,987,381.58
  5. Step 5: Solve for x
    x = 12,987,381.58/4,077.12
  6. Step 6: Final answer
    x = 3,185.43

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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.