Home / 5,551.56-8,328.60-1,655.82

Finding the Fourth Proportional to 5,551.56, 8,328.60 and 1,655.82

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Solution

The fourth proportional to 5,551.56, 8,328.60 and 1,655.82 is: 2,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.56 : 8,328.60 = 1,655.82 : x
  2. Step 2: Convert to fraction form
    5,551.56/8,328.60 = 1,655.82/x
  3. Step 3: Cross multiply
    5,551.56x = 8,328.60 × 1,655.82
  4. Step 4: Simplify right side
    5,551.56x = 13,790,662.45
  5. Step 5: Solve for x
    x = 13,790,662.45/5,551.56
  6. Step 6: Final answer
    x = 2,484.11

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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.