Home / 6,741.40-9,302.94-4,255

Finding the Fourth Proportional to 6,741.40, 9,302.94 and 4,255

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Solution

The fourth proportional to 6,741.40, 9,302.94 and 4,255 is: 5,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.40 : 9,302.94 = 4,255 : x
  2. Step 2: Convert to fraction form
    6,741.40/9,302.94 = 4,255/x
  3. Step 3: Cross multiply
    6,741.40x = 9,302.94 × 4,255
  4. Step 4: Simplify right side
    6,741.40x = 39,584,009.70
  5. Step 5: Solve for x
    x = 39,584,009.70/6,741.40
  6. Step 6: Final answer
    x = 5,871.78

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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.