Home / 5,426.52-8,141.40-1,729.26

Finding the Fourth Proportional to 5,426.52, 8,141.40 and 1,729.26

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Solution

The fourth proportional to 5,426.52, 8,141.40 and 1,729.26 is: 2,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.52 : 8,141.40 = 1,729.26 : x
  2. Step 2: Convert to fraction form
    5,426.52/8,141.40 = 1,729.26/x
  3. Step 3: Cross multiply
    5,426.52x = 8,141.40 × 1,729.26
  4. Step 4: Simplify right side
    5,426.52x = 14,078,597.36
  5. Step 5: Solve for x
    x = 14,078,597.36/5,426.52
  6. Step 6: Final answer
    x = 2,594.41

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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.