Home / 6,445.61-8,890.58-3,793.01

Finding the Fourth Proportional to 6,445.61, 8,890.58 and 3,793.01

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Solution

The fourth proportional to 6,445.61, 8,890.58 and 3,793.01 is: 5,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.61 : 8,890.58 = 3,793.01 : x
  2. Step 2: Convert to fraction form
    6,445.61/8,890.58 = 3,793.01/x
  3. Step 3: Cross multiply
    6,445.61x = 8,890.58 × 3,793.01
  4. Step 4: Simplify right side
    6,445.61x = 33,721,995.43
  5. Step 5: Solve for x
    x = 33,721,995.43/6,445.61
  6. Step 6: Final answer
    x = 5,231.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.