Home / 4,280.23-5,916.68-4,105.81

Finding the Fourth Proportional to 4,280.23, 5,916.68 and 4,105.81

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Solution

The fourth proportional to 4,280.23, 5,916.68 and 4,105.81 is: 5,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.23 : 5,916.68 = 4,105.81 : x
  2. Step 2: Convert to fraction form
    4,280.23/5,916.68 = 4,105.81/x
  3. Step 3: Cross multiply
    4,280.23x = 5,916.68 × 4,105.81
  4. Step 4: Simplify right side
    4,280.23x = 24,292,743.38
  5. Step 5: Solve for x
    x = 24,292,743.38/4,280.23
  6. Step 6: Final answer
    x = 5,675.57

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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.