Home / 7,074.24-10,610.28-1,880.07

Finding the Fourth Proportional to 7,074.24, 10,610.28 and 1,880.07

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Solution

The fourth proportional to 7,074.24, 10,610.28 and 1,880.07 is: 2,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.24 : 10,610.28 = 1,880.07 : x
  2. Step 2: Convert to fraction form
    7,074.24/10,610.28 = 1,880.07/x
  3. Step 3: Cross multiply
    7,074.24x = 10,610.28 × 1,880.07
  4. Step 4: Simplify right side
    7,074.24x = 19,948,069.12
  5. Step 5: Solve for x
    x = 19,948,069.12/7,074.24
  6. Step 6: Final answer
    x = 2,819.82

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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.