Home / 7,074.32-10,610.60-1,880.56

Finding the Fourth Proportional to 7,074.32, 10,610.60 and 1,880.56

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Solution

The fourth proportional to 7,074.32, 10,610.60 and 1,880.56 is: 2,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.32 : 10,610.60 = 1,880.56 : x
  2. Step 2: Convert to fraction form
    7,074.32/10,610.60 = 1,880.56/x
  3. Step 3: Cross multiply
    7,074.32x = 10,610.60 × 1,880.56
  4. Step 4: Simplify right side
    7,074.32x = 19,953,869.94
  5. Step 5: Solve for x
    x = 19,953,869.94/7,074.32
  6. Step 6: Final answer
    x = 2,820.61

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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.