Home / 7,039.67-10,558.78-1,845.54

Finding the Fourth Proportional to 7,039.67, 10,558.78 and 1,845.54

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Solution

The fourth proportional to 7,039.67, 10,558.78 and 1,845.54 is: 2,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.67 : 10,558.78 = 1,845.54 : x
  2. Step 2: Convert to fraction form
    7,039.67/10,558.78 = 1,845.54/x
  3. Step 3: Cross multiply
    7,039.67x = 10,558.78 × 1,845.54
  4. Step 4: Simplify right side
    7,039.67x = 19,486,646.23
  5. Step 5: Solve for x
    x = 19,486,646.23/7,039.67
  6. Step 6: Final answer
    x = 2,768.12

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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.