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Finding the Fourth Proportional to 3,563.19, 4,917.51 and 1,970.19

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Solution

The fourth proportional to 3,563.19, 4,917.51 and 1,970.19 is: 2,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.19 : 4,917.51 = 1,970.19 : x
  2. Step 2: Convert to fraction form
    3,563.19/4,917.51 = 1,970.19/x
  3. Step 3: Cross multiply
    3,563.19x = 4,917.51 × 1,970.19
  4. Step 4: Simplify right side
    3,563.19x = 9,688,429.03
  5. Step 5: Solve for x
    x = 9,688,429.03/3,563.19
  6. Step 6: Final answer
    x = 2,719.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.