Home / 7,048.28-10,571.58-1,854.56

Finding the Fourth Proportional to 7,048.28, 10,571.58 and 1,854.56

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Solution

The fourth proportional to 7,048.28, 10,571.58 and 1,854.56 is: 2,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.28 : 10,571.58 = 1,854.56 : x
  2. Step 2: Convert to fraction form
    7,048.28/10,571.58 = 1,854.56/x
  3. Step 3: Cross multiply
    7,048.28x = 10,571.58 × 1,854.56
  4. Step 4: Simplify right side
    7,048.28x = 19,605,629.40
  5. Step 5: Solve for x
    x = 19,605,629.40/7,048.28
  6. Step 6: Final answer
    x = 2,781.62

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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.