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Finding the Fourth Proportional to 5,741.83, 8,605.40 and 4,998.40

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Solution

The fourth proportional to 5,741.83, 8,605.40 and 4,998.40 is: 7,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.83 : 8,605.40 = 4,998.40 : x
  2. Step 2: Convert to fraction form
    5,741.83/8,605.40 = 4,998.40/x
  3. Step 3: Cross multiply
    5,741.83x = 8,605.40 × 4,998.40
  4. Step 4: Simplify right side
    5,741.83x = 43,013,222.34
  5. Step 5: Solve for x
    x = 43,013,222.34/5,741.83
  6. Step 6: Final answer
    x = 7,491.21

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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.