Home / 2,902.08-4,003.60-1,722.52

Finding the Fourth Proportional to 2,902.08, 4,003.60 and 1,722.52

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Solution

The fourth proportional to 2,902.08, 4,003.60 and 1,722.52 is: 2,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.08 : 4,003.60 = 1,722.52 : x
  2. Step 2: Convert to fraction form
    2,902.08/4,003.60 = 1,722.52/x
  3. Step 3: Cross multiply
    2,902.08x = 4,003.60 × 1,722.52
  4. Step 4: Simplify right side
    2,902.08x = 6,896,281.07
  5. Step 5: Solve for x
    x = 6,896,281.07/2,902.08
  6. Step 6: Final answer
    x = 2,376.32

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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.