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Finding the Fourth Proportional to 1,798.44, 2,480.21 and 1,134.14

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Solution

The fourth proportional to 1,798.44, 2,480.21 and 1,134.14 is: 1,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.44 : 2,480.21 = 1,134.14 : x
  2. Step 2: Convert to fraction form
    1,798.44/2,480.21 = 1,134.14/x
  3. Step 3: Cross multiply
    1,798.44x = 2,480.21 × 1,134.14
  4. Step 4: Simplify right side
    1,798.44x = 2,812,905.37
  5. Step 5: Solve for x
    x = 2,812,905.37/1,798.44
  6. Step 6: Final answer
    x = 1,564.08

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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.