Home / 2,905.26-4,009.14-1,726.32

Finding the Fourth Proportional to 2,905.26, 4,009.14 and 1,726.32

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Solution

The fourth proportional to 2,905.26, 4,009.14 and 1,726.32 is: 2,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.26 : 4,009.14 = 1,726.32 : x
  2. Step 2: Convert to fraction form
    2,905.26/4,009.14 = 1,726.32/x
  3. Step 3: Cross multiply
    2,905.26x = 4,009.14 × 1,726.32
  4. Step 4: Simplify right side
    2,905.26x = 6,921,058.56
  5. Step 5: Solve for x
    x = 6,921,058.56/2,905.26
  6. Step 6: Final answer
    x = 2,382.25

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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.