Home / 3,088.69-4,262.40-1,691.44

Finding the Fourth Proportional to 3,088.69, 4,262.40 and 1,691.44

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Solution

The fourth proportional to 3,088.69, 4,262.40 and 1,691.44 is: 2,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.69 : 4,262.40 = 1,691.44 : x
  2. Step 2: Convert to fraction form
    3,088.69/4,262.40 = 1,691.44/x
  3. Step 3: Cross multiply
    3,088.69x = 4,262.40 × 1,691.44
  4. Step 4: Simplify right side
    3,088.69x = 7,209,583.20
  5. Step 5: Solve for x
    x = 7,209,583.20/3,088.69
  6. Step 6: Final answer
    x = 2,334.19

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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.