Home / 4,188.24-5,780.63-2,419.60

Finding the Fourth Proportional to 4,188.24, 5,780.63 and 2,419.60

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Solution

The fourth proportional to 4,188.24, 5,780.63 and 2,419.60 is: 3,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.24 : 5,780.63 = 2,419.60 : x
  2. Step 2: Convert to fraction form
    4,188.24/5,780.63 = 2,419.60/x
  3. Step 3: Cross multiply
    4,188.24x = 5,780.63 × 2,419.60
  4. Step 4: Simplify right side
    4,188.24x = 13,986,812.35
  5. Step 5: Solve for x
    x = 13,986,812.35/4,188.24
  6. Step 6: Final answer
    x = 3,339.54

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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.