Home / 1,843.11-2,543.18-1,057.14

Finding the Fourth Proportional to 1,843.11, 2,543.18 and 1,057.14

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Solution

The fourth proportional to 1,843.11, 2,543.18 and 1,057.14 is: 1,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.11 : 2,543.18 = 1,057.14 : x
  2. Step 2: Convert to fraction form
    1,843.11/2,543.18 = 1,057.14/x
  3. Step 3: Cross multiply
    1,843.11x = 2,543.18 × 1,057.14
  4. Step 4: Simplify right side
    1,843.11x = 2,688,492.02
  5. Step 5: Solve for x
    x = 2,688,492.02/1,843.11
  6. Step 6: Final answer
    x = 1,458.67

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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.