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Finding the Fourth Proportional to 5,153, 7,112.10 and 3,057.08

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Solution

The fourth proportional to 5,153, 7,112.10 and 3,057.08 is: 4,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153 : 7,112.10 = 3,057.08 : x
  2. Step 2: Convert to fraction form
    5,153/7,112.10 = 3,057.08/x
  3. Step 3: Cross multiply
    5,153x = 7,112.10 × 3,057.08
  4. Step 4: Simplify right side
    5,153x = 21,742,258.67
  5. Step 5: Solve for x
    x = 21,742,258.67/5,153
  6. Step 6: Final answer
    x = 4,219.34

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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.