Home / 6,672.48-9,208.58-3,688.90

Finding the Fourth Proportional to 6,672.48, 9,208.58 and 3,688.90

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Solution

The fourth proportional to 6,672.48, 9,208.58 and 3,688.90 is: 5,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.48 : 9,208.58 = 3,688.90 : x
  2. Step 2: Convert to fraction form
    6,672.48/9,208.58 = 3,688.90/x
  3. Step 3: Cross multiply
    6,672.48x = 9,208.58 × 3,688.90
  4. Step 4: Simplify right side
    6,672.48x = 33,969,530.76
  5. Step 5: Solve for x
    x = 33,969,530.76/6,672.48
  6. Step 6: Final answer
    x = 5,090.99

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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.