Home / 5,236.63-7,855.32-1,949.72

Finding the Fourth Proportional to 5,236.63, 7,855.32 and 1,949.72

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Solution

The fourth proportional to 5,236.63, 7,855.32 and 1,949.72 is: 2,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.63 : 7,855.32 = 1,949.72 : x
  2. Step 2: Convert to fraction form
    5,236.63/7,855.32 = 1,949.72/x
  3. Step 3: Cross multiply
    5,236.63x = 7,855.32 × 1,949.72
  4. Step 4: Simplify right side
    5,236.63x = 15,315,674.51
  5. Step 5: Solve for x
    x = 15,315,674.51/5,236.63
  6. Step 6: Final answer
    x = 2,924.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.