Home / 6,187.49-8,538.95-3,499.30

Finding the Fourth Proportional to 6,187.49, 8,538.95 and 3,499.30

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Solution

The fourth proportional to 6,187.49, 8,538.95 and 3,499.30 is: 4,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.49 : 8,538.95 = 3,499.30 : x
  2. Step 2: Convert to fraction form
    6,187.49/8,538.95 = 3,499.30/x
  3. Step 3: Cross multiply
    6,187.49x = 8,538.95 × 3,499.30
  4. Step 4: Simplify right side
    6,187.49x = 29,880,367.16
  5. Step 5: Solve for x
    x = 29,880,367.16/6,187.49
  6. Step 6: Final answer
    x = 4,829.16

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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.