Home / 4,101.50-6,152.16-1,179.80

Finding the Fourth Proportional to 4,101.50, 6,152.16 and 1,179.80

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Solution

The fourth proportional to 4,101.50, 6,152.16 and 1,179.80 is: 1,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.50 : 6,152.16 = 1,179.80 : x
  2. Step 2: Convert to fraction form
    4,101.50/6,152.16 = 1,179.80/x
  3. Step 3: Cross multiply
    4,101.50x = 6,152.16 × 1,179.80
  4. Step 4: Simplify right side
    4,101.50x = 7,258,318.37
  5. Step 5: Solve for x
    x = 7,258,318.37/4,101.50
  6. Step 6: Final answer
    x = 1,769.67

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Half scale
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Double scale
Find fourth proportional to 4,102.50, 6,153.66 and 1,180.80
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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.