Home / 2,140.14-2,953.36-1,196

Finding the Fourth Proportional to 2,140.14, 2,953.36 and 1,196

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Solution

The fourth proportional to 2,140.14, 2,953.36 and 1,196 is: 1,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.14 : 2,953.36 = 1,196 : x
  2. Step 2: Convert to fraction form
    2,140.14/2,953.36 = 1,196/x
  3. Step 3: Cross multiply
    2,140.14x = 2,953.36 × 1,196
  4. Step 4: Simplify right side
    2,140.14x = 3,532,218.56
  5. Step 5: Solve for x
    x = 3,532,218.56/2,140.14
  6. Step 6: Final answer
    x = 1,650.46

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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.