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Finding the Fourth Proportional to 5,890.44, 8,838.90 and 2,430.12

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Solution

The fourth proportional to 5,890.44, 8,838.90 and 2,430.12 is: 3,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.44 : 8,838.90 = 2,430.12 : x
  2. Step 2: Convert to fraction form
    5,890.44/8,838.90 = 2,430.12/x
  3. Step 3: Cross multiply
    5,890.44x = 8,838.90 × 2,430.12
  4. Step 4: Simplify right side
    5,890.44x = 21,479,587.67
  5. Step 5: Solve for x
    x = 21,479,587.67/5,890.44
  6. Step 6: Final answer
    x = 3,646.52

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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.