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Finding the Fourth Proportional to 2,856.16, 4,283.16 and 1,556.92

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Solution

The fourth proportional to 2,856.16, 4,283.16 and 1,556.92 is: 2,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.16 : 4,283.16 = 1,556.92 : x
  2. Step 2: Convert to fraction form
    2,856.16/4,283.16 = 1,556.92/x
  3. Step 3: Cross multiply
    2,856.16x = 4,283.16 × 1,556.92
  4. Step 4: Simplify right side
    2,856.16x = 6,668,537.47
  5. Step 5: Solve for x
    x = 6,668,537.47/2,856.16
  6. Step 6: Final answer
    x = 2,334.79

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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.