Home / 1,836.45-2,533.55-1,338.17

Finding the Fourth Proportional to 1,836.45, 2,533.55 and 1,338.17

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Solution

The fourth proportional to 1,836.45, 2,533.55 and 1,338.17 is: 1,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.45 : 2,533.55 = 1,338.17 : x
  2. Step 2: Convert to fraction form
    1,836.45/2,533.55 = 1,338.17/x
  3. Step 3: Cross multiply
    1,836.45x = 2,533.55 × 1,338.17
  4. Step 4: Simplify right side
    1,836.45x = 3,390,301.24
  5. Step 5: Solve for x
    x = 3,390,301.24/1,836.45
  6. Step 6: Final answer
    x = 1,846.12

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1.5x scale

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.