Home / 4,201.60-5,798.76-2,409.78

Finding the Fourth Proportional to 4,201.60, 5,798.76 and 2,409.78

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Solution

The fourth proportional to 4,201.60, 5,798.76 and 2,409.78 is: 3,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.60 : 5,798.76 = 2,409.78 : x
  2. Step 2: Convert to fraction form
    4,201.60/5,798.76 = 2,409.78/x
  3. Step 3: Cross multiply
    4,201.60x = 5,798.76 × 2,409.78
  4. Step 4: Simplify right side
    4,201.60x = 13,973,735.87
  5. Step 5: Solve for x
    x = 13,973,735.87/4,201.60
  6. Step 6: Final answer
    x = 3,325.81

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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.