Home / 3,521.61-4,859.64-1,949.67

Finding the Fourth Proportional to 3,521.61, 4,859.64 and 1,949.67

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Solution

The fourth proportional to 3,521.61, 4,859.64 and 1,949.67 is: 2,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.61 : 4,859.64 = 1,949.67 : x
  2. Step 2: Convert to fraction form
    3,521.61/4,859.64 = 1,949.67/x
  3. Step 3: Cross multiply
    3,521.61x = 4,859.64 × 1,949.67
  4. Step 4: Simplify right side
    3,521.61x = 9,474,694.32
  5. Step 5: Solve for x
    x = 9,474,694.32/3,521.61
  6. Step 6: Final answer
    x = 2,690.44

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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.