Home / 7,085.34-10,627.20-2,702.70

Finding the Fourth Proportional to 7,085.34, 10,627.20 and 2,702.70

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Solution

The fourth proportional to 7,085.34, 10,627.20 and 2,702.70 is: 4,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.34 : 10,627.20 = 2,702.70 : x
  2. Step 2: Convert to fraction form
    7,085.34/10,627.20 = 2,702.70/x
  3. Step 3: Cross multiply
    7,085.34x = 10,627.20 × 2,702.70
  4. Step 4: Simplify right side
    7,085.34x = 28,722,133.44
  5. Step 5: Solve for x
    x = 28,722,133.44/7,085.34
  6. Step 6: Final answer
    x = 4,053.74

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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.