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Finding the Fourth Proportional to 3,417.48, 5,121.48 and 1,953.54

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Solution

The fourth proportional to 3,417.48, 5,121.48 and 1,953.54 is: 2,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.48 : 5,121.48 = 1,953.54 : x
  2. Step 2: Convert to fraction form
    3,417.48/5,121.48 = 1,953.54/x
  3. Step 3: Cross multiply
    3,417.48x = 5,121.48 × 1,953.54
  4. Step 4: Simplify right side
    3,417.48x = 10,005,016.04
  5. Step 5: Solve for x
    x = 10,005,016.04/3,417.48
  6. Step 6: Final answer
    x = 2,927.60

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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.