Home / 6,268.44-8,638.60-5,426.52

Finding the Fourth Proportional to 6,268.44, 8,638.60 and 5,426.52

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Solution

The fourth proportional to 6,268.44, 8,638.60 and 5,426.52 is: 7,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.44 : 8,638.60 = 5,426.52 : x
  2. Step 2: Convert to fraction form
    6,268.44/8,638.60 = 5,426.52/x
  3. Step 3: Cross multiply
    6,268.44x = 8,638.60 × 5,426.52
  4. Step 4: Simplify right side
    6,268.44x = 46,877,535.67
  5. Step 5: Solve for x
    x = 46,877,535.67/6,268.44
  6. Step 6: Final answer
    x = 7,478.34

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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.