Home / 2,861.99-3,952.75-2,417.61

Finding the Fourth Proportional to 2,861.99, 3,952.75 and 2,417.61

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Solution

The fourth proportional to 2,861.99, 3,952.75 and 2,417.61 is: 3,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.99 : 3,952.75 = 2,417.61 : x
  2. Step 2: Convert to fraction form
    2,861.99/3,952.75 = 2,417.61/x
  3. Step 3: Cross multiply
    2,861.99x = 3,952.75 × 2,417.61
  4. Step 4: Simplify right side
    2,861.99x = 9,556,185.97
  5. Step 5: Solve for x
    x = 9,556,185.97/2,861.99
  6. Step 6: Final answer
    x = 3,339.00

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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.