Home / 5,052.96-7,581.60-2,858.40

Finding the Fourth Proportional to 5,052.96, 7,581.60 and 2,858.40

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Solution

The fourth proportional to 5,052.96, 7,581.60 and 2,858.40 is: 4,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.96 : 7,581.60 = 2,858.40 : x
  2. Step 2: Convert to fraction form
    5,052.96/7,581.60 = 2,858.40/x
  3. Step 3: Cross multiply
    5,052.96x = 7,581.60 × 2,858.40
  4. Step 4: Simplify right side
    5,052.96x = 21,671,245.44
  5. Step 5: Solve for x
    x = 21,671,245.44/5,052.96
  6. Step 6: Final answer
    x = 4,288.82

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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.