Home / 7,054.28-10,580.58-1,860.56

Finding the Fourth Proportional to 7,054.28, 10,580.58 and 1,860.56

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Solution

The fourth proportional to 7,054.28, 10,580.58 and 1,860.56 is: 2,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.28 : 10,580.58 = 1,860.56 : x
  2. Step 2: Convert to fraction form
    7,054.28/10,580.58 = 1,860.56/x
  3. Step 3: Cross multiply
    7,054.28x = 10,580.58 × 1,860.56
  4. Step 4: Simplify right side
    7,054.28x = 19,685,803.92
  5. Step 5: Solve for x
    x = 19,685,803.92/7,054.28
  6. Step 6: Final answer
    x = 2,790.62

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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.