Home / 5,474.04-8,209.86-1,577.60

Finding the Fourth Proportional to 5,474.04, 8,209.86 and 1,577.60

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Solution

The fourth proportional to 5,474.04, 8,209.86 and 1,577.60 is: 2,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.04 : 8,209.86 = 1,577.60 : x
  2. Step 2: Convert to fraction form
    5,474.04/8,209.86 = 1,577.60/x
  3. Step 3: Cross multiply
    5,474.04x = 8,209.86 × 1,577.60
  4. Step 4: Simplify right side
    5,474.04x = 12,951,875.14
  5. Step 5: Solve for x
    x = 12,951,875.14/5,474.04
  6. Step 6: Final answer
    x = 2,366.05

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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.