Home / 4,178.56-5,767.68-2,411.32

Finding the Fourth Proportional to 4,178.56, 5,767.68 and 2,411.32

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Solution

The fourth proportional to 4,178.56, 5,767.68 and 2,411.32 is: 3,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.56 : 5,767.68 = 2,411.32 : x
  2. Step 2: Convert to fraction form
    4,178.56/5,767.68 = 2,411.32/x
  3. Step 3: Cross multiply
    4,178.56x = 5,767.68 × 2,411.32
  4. Step 4: Simplify right side
    4,178.56x = 13,907,722.14
  5. Step 5: Solve for x
    x = 13,907,722.14/4,178.56
  6. Step 6: Final answer
    x = 3,328.35

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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.