Home / 1,671.29-2,305.59-1,082.01

Finding the Fourth Proportional to 1,671.29, 2,305.59 and 1,082.01

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Solution

The fourth proportional to 1,671.29, 2,305.59 and 1,082.01 is: 1,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.29 : 2,305.59 = 1,082.01 : x
  2. Step 2: Convert to fraction form
    1,671.29/2,305.59 = 1,082.01/x
  3. Step 3: Cross multiply
    1,671.29x = 2,305.59 × 1,082.01
  4. Step 4: Simplify right side
    1,671.29x = 2,494,671.44
  5. Step 5: Solve for x
    x = 2,494,671.44/1,671.29
  6. Step 6: Final answer
    x = 1,492.67

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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.