Home / 5,295.10-7,940.34-1,784.45

Finding the Fourth Proportional to 5,295.10, 7,940.34 and 1,784.45

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Solution

The fourth proportional to 5,295.10, 7,940.34 and 1,784.45 is: 2,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.10 : 7,940.34 = 1,784.45 : x
  2. Step 2: Convert to fraction form
    5,295.10/7,940.34 = 1,784.45/x
  3. Step 3: Cross multiply
    5,295.10x = 7,940.34 × 1,784.45
  4. Step 4: Simplify right side
    5,295.10x = 14,169,137.48
  5. Step 5: Solve for x
    x = 14,169,137.48/5,295.10
  6. Step 6: Final answer
    x = 2,675.90

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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.