Home / 4,702.18-7,054.20-2,105.14

Finding the Fourth Proportional to 4,702.18, 7,054.20 and 2,105.14

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Solution

The fourth proportional to 4,702.18, 7,054.20 and 2,105.14 is: 3,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.18 : 7,054.20 = 2,105.14 : x
  2. Step 2: Convert to fraction form
    4,702.18/7,054.20 = 2,105.14/x
  3. Step 3: Cross multiply
    4,702.18x = 7,054.20 × 2,105.14
  4. Step 4: Simplify right side
    4,702.18x = 14,850,078.59
  5. Step 5: Solve for x
    x = 14,850,078.59/4,702.18
  6. Step 6: Final answer
    x = 3,158.13

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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.