Home / 6,187.76-8,539.01-3,355.07

Finding the Fourth Proportional to 6,187.76, 8,539.01 and 3,355.07

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Solution

The fourth proportional to 6,187.76, 8,539.01 and 3,355.07 is: 4,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.76 : 8,539.01 = 3,355.07 : x
  2. Step 2: Convert to fraction form
    6,187.76/8,539.01 = 3,355.07/x
  3. Step 3: Cross multiply
    6,187.76x = 8,539.01 × 3,355.07
  4. Step 4: Simplify right side
    6,187.76x = 28,648,980.85
  5. Step 5: Solve for x
    x = 28,648,980.85/6,187.76
  6. Step 6: Final answer
    x = 4,629.95

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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.