Home / 5,709.60-8,580.64-4,996.80

Finding the Fourth Proportional to 5,709.60, 8,580.64 and 4,996.80

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Solution

The fourth proportional to 5,709.60, 8,580.64 and 4,996.80 is: 7,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.60 : 8,580.64 = 4,996.80 : x
  2. Step 2: Convert to fraction form
    5,709.60/8,580.64 = 4,996.80/x
  3. Step 3: Cross multiply
    5,709.60x = 8,580.64 × 4,996.80
  4. Step 4: Simplify right side
    5,709.60x = 42,875,741.95
  5. Step 5: Solve for x
    x = 42,875,741.95/5,709.60
  6. Step 6: Final answer
    x = 7,509.41

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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.