Home / 2,659.44-3,672.18-1,715.70

Finding the Fourth Proportional to 2,659.44, 3,672.18 and 1,715.70

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Solution

The fourth proportional to 2,659.44, 3,672.18 and 1,715.70 is: 2,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.44 : 3,672.18 = 1,715.70 : x
  2. Step 2: Convert to fraction form
    2,659.44/3,672.18 = 1,715.70/x
  3. Step 3: Cross multiply
    2,659.44x = 3,672.18 × 1,715.70
  4. Step 4: Simplify right side
    2,659.44x = 6,300,359.23
  5. Step 5: Solve for x
    x = 6,300,359.23/2,659.44
  6. Step 6: Final answer
    x = 2,369.05

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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.