Home / 4,665.99-6,438.45-2,898.17

Finding the Fourth Proportional to 4,665.99, 6,438.45 and 2,898.17

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Solution

The fourth proportional to 4,665.99, 6,438.45 and 2,898.17 is: 3,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.99 : 6,438.45 = 2,898.17 : x
  2. Step 2: Convert to fraction form
    4,665.99/6,438.45 = 2,898.17/x
  3. Step 3: Cross multiply
    4,665.99x = 6,438.45 × 2,898.17
  4. Step 4: Simplify right side
    4,665.99x = 18,659,722.64
  5. Step 5: Solve for x
    x = 18,659,722.64/4,665.99
  6. Step 6: Final answer
    x = 3,999.09

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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.