Home / 2,962.75-4,088.54-1,636.42

Finding the Fourth Proportional to 2,962.75, 4,088.54 and 1,636.42

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Solution

The fourth proportional to 2,962.75, 4,088.54 and 1,636.42 is: 2,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.75 : 4,088.54 = 1,636.42 : x
  2. Step 2: Convert to fraction form
    2,962.75/4,088.54 = 1,636.42/x
  3. Step 3: Cross multiply
    2,962.75x = 4,088.54 × 1,636.42
  4. Step 4: Simplify right side
    2,962.75x = 6,690,562.50
  5. Step 5: Solve for x
    x = 6,690,562.50/2,962.75
  6. Step 6: Final answer
    x = 2,258.23

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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.