Home / 2,962.62-4,088.60-1,636.32

Finding the Fourth Proportional to 2,962.62, 4,088.60 and 1,636.32

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Solution

The fourth proportional to 2,962.62, 4,088.60 and 1,636.32 is: 2,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.62 : 4,088.60 = 1,636.32 : x
  2. Step 2: Convert to fraction form
    2,962.62/4,088.60 = 1,636.32/x
  3. Step 3: Cross multiply
    2,962.62x = 4,088.60 × 1,636.32
  4. Step 4: Simplify right side
    2,962.62x = 6,690,257.95
  5. Step 5: Solve for x
    x = 6,690,257.95/2,962.62
  6. Step 6: Final answer
    x = 2,258.22

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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.