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Finding the Fourth Proportional to 5,891.40, 8,837.10 and 4,020.30

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Solution

The fourth proportional to 5,891.40, 8,837.10 and 4,020.30 is: 6,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.40 : 8,837.10 = 4,020.30 : x
  2. Step 2: Convert to fraction form
    5,891.40/8,837.10 = 4,020.30/x
  3. Step 3: Cross multiply
    5,891.40x = 8,837.10 × 4,020.30
  4. Step 4: Simplify right side
    5,891.40x = 35,527,793.13
  5. Step 5: Solve for x
    x = 35,527,793.13/5,891.40
  6. Step 6: Final answer
    x = 6,030.45

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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.