Home / 1,722.48-2,586.60-1,709.04

Finding the Fourth Proportional to 1,722.48, 2,586.60 and 1,709.04

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Solution

The fourth proportional to 1,722.48, 2,586.60 and 1,709.04 is: 2,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.48 : 2,586.60 = 1,709.04 : x
  2. Step 2: Convert to fraction form
    1,722.48/2,586.60 = 1,709.04/x
  3. Step 3: Cross multiply
    1,722.48x = 2,586.60 × 1,709.04
  4. Step 4: Simplify right side
    1,722.48x = 4,420,602.86
  5. Step 5: Solve for x
    x = 4,420,602.86/1,722.48
  6. Step 6: Final answer
    x = 2,566.42

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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.