Home / 7,135.30-10,700.22-2,454.46

Finding the Fourth Proportional to 7,135.30, 10,700.22 and 2,454.46

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Solution

The fourth proportional to 7,135.30, 10,700.22 and 2,454.46 is: 3,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.30 : 10,700.22 = 2,454.46 : x
  2. Step 2: Convert to fraction form
    7,135.30/10,700.22 = 2,454.46/x
  3. Step 3: Cross multiply
    7,135.30x = 10,700.22 × 2,454.46
  4. Step 4: Simplify right side
    7,135.30x = 26,263,261.98
  5. Step 5: Solve for x
    x = 26,263,261.98/7,135.30
  6. Step 6: Final answer
    x = 3,680.75

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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.