Home / 4,140.74-6,213.89-1,543.67

Finding the Fourth Proportional to 4,140.74, 6,213.89 and 1,543.67

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Solution

The fourth proportional to 4,140.74, 6,213.89 and 1,543.67 is: 2,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.74 : 6,213.89 = 1,543.67 : x
  2. Step 2: Convert to fraction form
    4,140.74/6,213.89 = 1,543.67/x
  3. Step 3: Cross multiply
    4,140.74x = 6,213.89 × 1,543.67
  4. Step 4: Simplify right side
    4,140.74x = 9,592,195.58
  5. Step 5: Solve for x
    x = 9,592,195.58/4,140.74
  6. Step 6: Final answer
    x = 2,316.54

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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.