Home / 7,273.72-10,038.90-4,130.92

Finding the Fourth Proportional to 7,273.72, 10,038.90 and 4,130.92

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Solution

The fourth proportional to 7,273.72, 10,038.90 and 4,130.92 is: 5,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.72 : 10,038.90 = 4,130.92 : x
  2. Step 2: Convert to fraction form
    7,273.72/10,038.90 = 4,130.92/x
  3. Step 3: Cross multiply
    7,273.72x = 10,038.90 × 4,130.92
  4. Step 4: Simplify right side
    7,273.72x = 41,469,892.79
  5. Step 5: Solve for x
    x = 41,469,892.79/7,273.72
  6. Step 6: Final answer
    x = 5,701.33

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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.