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Finding the Fourth Proportional to 4,856.16, 7,284.16 and 1,393.40

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Solution

The fourth proportional to 4,856.16, 7,284.16 and 1,393.40 is: 2,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.16 : 7,284.16 = 1,393.40 : x
  2. Step 2: Convert to fraction form
    4,856.16/7,284.16 = 1,393.40/x
  3. Step 3: Cross multiply
    4,856.16x = 7,284.16 × 1,393.40
  4. Step 4: Simplify right side
    4,856.16x = 10,149,748.54
  5. Step 5: Solve for x
    x = 10,149,748.54/4,856.16
  6. Step 6: Final answer
    x = 2,090.08

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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.