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Finding the Fourth Proportional to 3,053.60, 4,580.40 and 2,746.40

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Solution

The fourth proportional to 3,053.60, 4,580.40 and 2,746.40 is: 4,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.60 : 4,580.40 = 2,746.40 : x
  2. Step 2: Convert to fraction form
    3,053.60/4,580.40 = 2,746.40/x
  3. Step 3: Cross multiply
    3,053.60x = 4,580.40 × 2,746.40
  4. Step 4: Simplify right side
    3,053.60x = 12,579,610.56
  5. Step 5: Solve for x
    x = 12,579,610.56/3,053.60
  6. Step 6: Final answer
    x = 4,119.60

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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.