Home / 1,905.72-2,853.55-1,533.54

Finding the Fourth Proportional to 1,905.72, 2,853.55 and 1,533.54

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Solution

The fourth proportional to 1,905.72, 2,853.55 and 1,533.54 is: 2,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.72 : 2,853.55 = 1,533.54 : x
  2. Step 2: Convert to fraction form
    1,905.72/2,853.55 = 1,533.54/x
  3. Step 3: Cross multiply
    1,905.72x = 2,853.55 × 1,533.54
  4. Step 4: Simplify right side
    1,905.72x = 4,376,033.07
  5. Step 5: Solve for x
    x = 4,376,033.07/1,905.72
  6. Step 6: Final answer
    x = 2,296.26

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1.5x scale

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.