Home / 7,722.76-10,657.42-4,185.94

Finding the Fourth Proportional to 7,722.76, 10,657.42 and 4,185.94

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Solution

The fourth proportional to 7,722.76, 10,657.42 and 4,185.94 is: 5,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.76 : 10,657.42 = 4,185.94 : x
  2. Step 2: Convert to fraction form
    7,722.76/10,657.42 = 4,185.94/x
  3. Step 3: Cross multiply
    7,722.76x = 10,657.42 × 4,185.94
  4. Step 4: Simplify right side
    7,722.76x = 44,611,320.67
  5. Step 5: Solve for x
    x = 44,611,320.67/7,722.76
  6. Step 6: Final answer
    x = 5,776.60

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.