Home / 3,100.32-4,274.10-2,626.32

Finding the Fourth Proportional to 3,100.32, 4,274.10 and 2,626.32

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Solution

The fourth proportional to 3,100.32, 4,274.10 and 2,626.32 is: 3,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.32 : 4,274.10 = 2,626.32 : x
  2. Step 2: Convert to fraction form
    3,100.32/4,274.10 = 2,626.32/x
  3. Step 3: Cross multiply
    3,100.32x = 4,274.10 × 2,626.32
  4. Step 4: Simplify right side
    3,100.32x = 11,225,154.31
  5. Step 5: Solve for x
    x = 11,225,154.31/3,100.32
  6. Step 6: Final answer
    x = 3,620.64

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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.