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Finding the Fourth Proportional to 5,460.57, 7,535.58 and 2,976.57

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Solution

The fourth proportional to 5,460.57, 7,535.58 and 2,976.57 is: 4,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.57 : 7,535.58 = 2,976.57 : x
  2. Step 2: Convert to fraction form
    5,460.57/7,535.58 = 2,976.57/x
  3. Step 3: Cross multiply
    5,460.57x = 7,535.58 × 2,976.57
  4. Step 4: Simplify right side
    5,460.57x = 22,430,181.36
  5. Step 5: Solve for x
    x = 22,430,181.36/5,460.57
  6. Step 6: Final answer
    x = 4,107.66

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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.