Home / 1,895.54-2,838.56-1,200.11

Finding the Fourth Proportional to 1,895.54, 2,838.56 and 1,200.11

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Solution

The fourth proportional to 1,895.54, 2,838.56 and 1,200.11 is: 1,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.54 : 2,838.56 = 1,200.11 : x
  2. Step 2: Convert to fraction form
    1,895.54/2,838.56 = 1,200.11/x
  3. Step 3: Cross multiply
    1,895.54x = 2,838.56 × 1,200.11
  4. Step 4: Simplify right side
    1,895.54x = 3,406,587.24
  5. Step 5: Solve for x
    x = 3,406,587.24/1,895.54
  6. Step 6: Final answer
    x = 1,797.16

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Why These Related Problems?

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