Home / 6,255.60-8,634.18-4,131.48

Finding the Fourth Proportional to 6,255.60, 8,634.18 and 4,131.48

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Solution

The fourth proportional to 6,255.60, 8,634.18 and 4,131.48 is: 5,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.60 : 8,634.18 = 4,131.48 : x
  2. Step 2: Convert to fraction form
    6,255.60/8,634.18 = 4,131.48/x
  3. Step 3: Cross multiply
    6,255.60x = 8,634.18 × 4,131.48
  4. Step 4: Simplify right side
    6,255.60x = 35,671,941.99
  5. Step 5: Solve for x
    x = 35,671,941.99/6,255.60
  6. Step 6: Final answer
    x = 5,702.40

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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.