Home / 6,721.98-10,079.73-3,802.74

Finding the Fourth Proportional to 6,721.98, 10,079.73 and 3,802.74

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Solution

The fourth proportional to 6,721.98, 10,079.73 and 3,802.74 is: 5,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.98 : 10,079.73 = 3,802.74 : x
  2. Step 2: Convert to fraction form
    6,721.98/10,079.73 = 3,802.74/x
  3. Step 3: Cross multiply
    6,721.98x = 10,079.73 × 3,802.74
  4. Step 4: Simplify right side
    6,721.98x = 38,330,592.46
  5. Step 5: Solve for x
    x = 38,330,592.46/6,721.98
  6. Step 6: Final answer
    x = 5,702.28

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1.5x scale

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.