Home / 6,187.29-8,538.93-3,534.81

Finding the Fourth Proportional to 6,187.29, 8,538.93 and 3,534.81

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Solution

The fourth proportional to 6,187.29, 8,538.93 and 3,534.81 is: 4,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.29 : 8,538.93 = 3,534.81 : x
  2. Step 2: Convert to fraction form
    6,187.29/8,538.93 = 3,534.81/x
  3. Step 3: Cross multiply
    6,187.29x = 8,538.93 × 3,534.81
  4. Step 4: Simplify right side
    6,187.29x = 30,183,495.15
  5. Step 5: Solve for x
    x = 30,183,495.15/6,187.29
  6. Step 6: Final answer
    x = 4,878.31

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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.