Home / 3,501.90-5,246.46-2,917.80

Finding the Fourth Proportional to 3,501.90, 5,246.46 and 2,917.80

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Solution

The fourth proportional to 3,501.90, 5,246.46 and 2,917.80 is: 4,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.90 : 5,246.46 = 2,917.80 : x
  2. Step 2: Convert to fraction form
    3,501.90/5,246.46 = 2,917.80/x
  3. Step 3: Cross multiply
    3,501.90x = 5,246.46 × 2,917.80
  4. Step 4: Simplify right side
    3,501.90x = 15,308,120.99
  5. Step 5: Solve for x
    x = 15,308,120.99/3,501.90
  6. Step 6: Final answer
    x = 4,371.38

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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.