Home / 4,187.06-6,280.72-2,105.93

Finding the Fourth Proportional to 4,187.06, 6,280.72 and 2,105.93

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Solution

The fourth proportional to 4,187.06, 6,280.72 and 2,105.93 is: 3,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.06 : 6,280.72 = 2,105.93 : x
  2. Step 2: Convert to fraction form
    4,187.06/6,280.72 = 2,105.93/x
  3. Step 3: Cross multiply
    4,187.06x = 6,280.72 × 2,105.93
  4. Step 4: Simplify right side
    4,187.06x = 13,226,746.23
  5. Step 5: Solve for x
    x = 13,226,746.23/4,187.06
  6. Step 6: Final answer
    x = 3,158.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.