Home / 7,558.60-11,335.20-2,628.40

Finding the Fourth Proportional to 7,558.60, 11,335.20 and 2,628.40

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Solution

The fourth proportional to 7,558.60, 11,335.20 and 2,628.40 is: 3,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.60 : 11,335.20 = 2,628.40 : x
  2. Step 2: Convert to fraction form
    7,558.60/11,335.20 = 2,628.40/x
  3. Step 3: Cross multiply
    7,558.60x = 11,335.20 × 2,628.40
  4. Step 4: Simplify right side
    7,558.60x = 29,793,439.68
  5. Step 5: Solve for x
    x = 29,793,439.68/7,558.60
  6. Step 6: Final answer
    x = 3,941.66

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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.