Home / 4,178.16-5,765.12-2,409.84

Finding the Fourth Proportional to 4,178.16, 5,765.12 and 2,409.84

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Solution

The fourth proportional to 4,178.16, 5,765.12 and 2,409.84 is: 3,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.16 : 5,765.12 = 2,409.84 : x
  2. Step 2: Convert to fraction form
    4,178.16/5,765.12 = 2,409.84/x
  3. Step 3: Cross multiply
    4,178.16x = 5,765.12 × 2,409.84
  4. Step 4: Simplify right side
    4,178.16x = 13,893,016.78
  5. Step 5: Solve for x
    x = 13,893,016.78/4,178.16
  6. Step 6: Final answer
    x = 3,325.15

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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.