Home / 5,655.12-8,468.70-3,308.95

Finding the Fourth Proportional to 5,655.12, 8,468.70 and 3,308.95

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Solution

The fourth proportional to 5,655.12, 8,468.70 and 3,308.95 is: 4,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.12 : 8,468.70 = 3,308.95 : x
  2. Step 2: Convert to fraction form
    5,655.12/8,468.70 = 3,308.95/x
  3. Step 3: Cross multiply
    5,655.12x = 8,468.70 × 3,308.95
  4. Step 4: Simplify right side
    5,655.12x = 28,022,504.87
  5. Step 5: Solve for x
    x = 28,022,504.87/5,655.12
  6. Step 6: Final answer
    x = 4,955.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.