Home / 3,132.06-4,322.32-1,806.02

Finding the Fourth Proportional to 3,132.06, 4,322.32 and 1,806.02

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Solution

The fourth proportional to 3,132.06, 4,322.32 and 1,806.02 is: 2,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.06 : 4,322.32 = 1,806.02 : x
  2. Step 2: Convert to fraction form
    3,132.06/4,322.32 = 1,806.02/x
  3. Step 3: Cross multiply
    3,132.06x = 4,322.32 × 1,806.02
  4. Step 4: Simplify right side
    3,132.06x = 7,806,196.37
  5. Step 5: Solve for x
    x = 7,806,196.37/3,132.06
  6. Step 6: Final answer
    x = 2,492.35

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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.