Home / 3,247.29-4,870.94-1,783.22

Finding the Fourth Proportional to 3,247.29, 4,870.94 and 1,783.22

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Solution

The fourth proportional to 3,247.29, 4,870.94 and 1,783.22 is: 2,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.29 : 4,870.94 = 1,783.22 : x
  2. Step 2: Convert to fraction form
    3,247.29/4,870.94 = 1,783.22/x
  3. Step 3: Cross multiply
    3,247.29x = 4,870.94 × 1,783.22
  4. Step 4: Simplify right side
    3,247.29x = 8,685,924.36
  5. Step 5: Solve for x
    x = 8,685,924.36/3,247.29
  6. Step 6: Final answer
    x = 2,674.82

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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.