Home / 2,492.15-3,734.69-1,382.05

Finding the Fourth Proportional to 2,492.15, 3,734.69 and 1,382.05

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Solution

The fourth proportional to 2,492.15, 3,734.69 and 1,382.05 is: 2,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.15 : 3,734.69 = 1,382.05 : x
  2. Step 2: Convert to fraction form
    2,492.15/3,734.69 = 1,382.05/x
  3. Step 3: Cross multiply
    2,492.15x = 3,734.69 × 1,382.05
  4. Step 4: Simplify right side
    2,492.15x = 5,161,541.11
  5. Step 5: Solve for x
    x = 5,161,541.11/2,492.15
  6. Step 6: Final answer
    x = 2,071.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.