Home / 2,962.91-4,088.74-1,636.59

Finding the Fourth Proportional to 2,962.91, 4,088.74 and 1,636.59

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Solution

The fourth proportional to 2,962.91, 4,088.74 and 1,636.59 is: 2,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.91 : 4,088.74 = 1,636.59 : x
  2. Step 2: Convert to fraction form
    2,962.91/4,088.74 = 1,636.59/x
  3. Step 3: Cross multiply
    2,962.91x = 4,088.74 × 1,636.59
  4. Step 4: Simplify right side
    2,962.91x = 6,691,582.81
  5. Step 5: Solve for x
    x = 6,691,582.81/2,962.91
  6. Step 6: Final answer
    x = 2,258.45

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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.