Home / 1,471.14-2,027.70-946.26

Finding the Fourth Proportional to 1,471.14, 2,027.70 and 946.26

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Solution

The fourth proportional to 1,471.14, 2,027.70 and 946.26 is: 1,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.14 : 2,027.70 = 946.26 : x
  2. Step 2: Convert to fraction form
    1,471.14/2,027.70 = 946.26/x
  3. Step 3: Cross multiply
    1,471.14x = 2,027.70 × 946.26
  4. Step 4: Simplify right side
    1,471.14x = 1,918,731.40
  5. Step 5: Solve for x
    x = 1,918,731.40/1,471.14
  6. Step 6: Final answer
    x = 1,304.25

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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.