Home / 5,562.55-8,362.05-3,930.40

Finding the Fourth Proportional to 5,562.55, 8,362.05 and 3,930.40

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Solution

The fourth proportional to 5,562.55, 8,362.05 and 3,930.40 is: 5,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.55 : 8,362.05 = 3,930.40 : x
  2. Step 2: Convert to fraction form
    5,562.55/8,362.05 = 3,930.40/x
  3. Step 3: Cross multiply
    5,562.55x = 8,362.05 × 3,930.40
  4. Step 4: Simplify right side
    5,562.55x = 32,866,201.32
  5. Step 5: Solve for x
    x = 32,866,201.32/5,562.55
  6. Step 6: Final answer
    x = 5,908.48

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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.