Home / 2,962.77-4,088.55-1,636.44

Finding the Fourth Proportional to 2,962.77, 4,088.55 and 1,636.44

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Solution

The fourth proportional to 2,962.77, 4,088.55 and 1,636.44 is: 2,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.77 : 4,088.55 = 1,636.44 : x
  2. Step 2: Convert to fraction form
    2,962.77/4,088.55 = 1,636.44/x
  3. Step 3: Cross multiply
    2,962.77x = 4,088.55 × 1,636.44
  4. Step 4: Simplify right side
    2,962.77x = 6,690,666.76
  5. Step 5: Solve for x
    x = 6,690,666.76/2,962.77
  6. Step 6: Final answer
    x = 2,258.25

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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.