Home / 3,088.72-4,262.34-1,691.44

Finding the Fourth Proportional to 3,088.72, 4,262.34 and 1,691.44

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Solution

The fourth proportional to 3,088.72, 4,262.34 and 1,691.44 is: 2,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.72 : 4,262.34 = 1,691.44 : x
  2. Step 2: Convert to fraction form
    3,088.72/4,262.34 = 1,691.44/x
  3. Step 3: Cross multiply
    3,088.72x = 4,262.34 × 1,691.44
  4. Step 4: Simplify right side
    3,088.72x = 7,209,492.37
  5. Step 5: Solve for x
    x = 7,209,492.37/3,088.72
  6. Step 6: Final answer
    x = 2,334.14

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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.