Home / 5,815.78-8,723.87-1,656.02

Finding the Fourth Proportional to 5,815.78, 8,723.87 and 1,656.02

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Solution

The fourth proportional to 5,815.78, 8,723.87 and 1,656.02 is: 2,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.78 : 8,723.87 = 1,656.02 : x
  2. Step 2: Convert to fraction form
    5,815.78/8,723.87 = 1,656.02/x
  3. Step 3: Cross multiply
    5,815.78x = 8,723.87 × 1,656.02
  4. Step 4: Simplify right side
    5,815.78x = 14,446,903.20
  5. Step 5: Solve for x
    x = 14,446,903.20/5,815.78
  6. Step 6: Final answer
    x = 2,484.09

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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.