Home / 1,022.37-1,533.56-474.27

Finding the Fourth Proportional to 1,022.37, 1,533.56 and 474.27

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Solution

The fourth proportional to 1,022.37, 1,533.56 and 474.27 is: 711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.37 : 1,533.56 = 474.27 : x
  2. Step 2: Convert to fraction form
    1,022.37/1,533.56 = 474.27/x
  3. Step 3: Cross multiply
    1,022.37x = 1,533.56 × 474.27
  4. Step 4: Simplify right side
    1,022.37x = 727,319.13
  5. Step 5: Solve for x
    x = 727,319.13/1,022.37
  6. Step 6: Final answer
    x = 711.41

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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.