Home / 6,287.95-8,674.38-4,520.58

Finding the Fourth Proportional to 6,287.95, 8,674.38 and 4,520.58

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Solution

The fourth proportional to 6,287.95, 8,674.38 and 4,520.58 is: 6,236.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.95 : 8,674.38 = 4,520.58 : x
  2. Step 2: Convert to fraction form
    6,287.95/8,674.38 = 4,520.58/x
  3. Step 3: Cross multiply
    6,287.95x = 8,674.38 × 4,520.58
  4. Step 4: Simplify right side
    6,287.95x = 39,213,261.73
  5. Step 5: Solve for x
    x = 39,213,261.73/6,287.95
  6. Step 6: Final answer
    x = 6,236.26

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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.