Home / 4,908.40-6,773.70-2,670.28

Finding the Fourth Proportional to 4,908.40, 6,773.70 and 2,670.28

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Solution

The fourth proportional to 4,908.40, 6,773.70 and 2,670.28 is: 3,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.40 : 6,773.70 = 2,670.28 : x
  2. Step 2: Convert to fraction form
    4,908.40/6,773.70 = 2,670.28/x
  3. Step 3: Cross multiply
    4,908.40x = 6,773.70 × 2,670.28
  4. Step 4: Simplify right side
    4,908.40x = 18,087,675.64
  5. Step 5: Solve for x
    x = 18,087,675.64/4,908.40
  6. Step 6: Final answer
    x = 3,685.05

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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.