Home / 5,830.34-8,740.20-2,129.96

Finding the Fourth Proportional to 5,830.34, 8,740.20 and 2,129.96

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Solution

The fourth proportional to 5,830.34, 8,740.20 and 2,129.96 is: 3,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.34 : 8,740.20 = 2,129.96 : x
  2. Step 2: Convert to fraction form
    5,830.34/8,740.20 = 2,129.96/x
  3. Step 3: Cross multiply
    5,830.34x = 8,740.20 × 2,129.96
  4. Step 4: Simplify right side
    5,830.34x = 18,616,232.69
  5. Step 5: Solve for x
    x = 18,616,232.69/5,830.34
  6. Step 6: Final answer
    x = 3,193.00

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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.