Home / 5,699.60-8,558.20-3,107.60

Finding the Fourth Proportional to 5,699.60, 8,558.20 and 3,107.60

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Solution

The fourth proportional to 5,699.60, 8,558.20 and 3,107.60 is: 4,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.60 : 8,558.20 = 3,107.60 : x
  2. Step 2: Convert to fraction form
    5,699.60/8,558.20 = 3,107.60/x
  3. Step 3: Cross multiply
    5,699.60x = 8,558.20 × 3,107.60
  4. Step 4: Simplify right side
    5,699.60x = 26,595,462.32
  5. Step 5: Solve for x
    x = 26,595,462.32/5,699.60
  6. Step 6: Final answer
    x = 4,666.20

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1.5x scale

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.