Home / 3,775.50-5,665.54-2,386.92

Finding the Fourth Proportional to 3,775.50, 5,665.54 and 2,386.92

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Solution

The fourth proportional to 3,775.50, 5,665.54 and 2,386.92 is: 3,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.50 : 5,665.54 = 2,386.92 : x
  2. Step 2: Convert to fraction form
    3,775.50/5,665.54 = 2,386.92/x
  3. Step 3: Cross multiply
    3,775.50x = 5,665.54 × 2,386.92
  4. Step 4: Simplify right side
    3,775.50x = 13,523,190.74
  5. Step 5: Solve for x
    x = 13,523,190.74/3,775.50
  6. Step 6: Final answer
    x = 3,581.83

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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.