Home / 2,409.53-3,325.58-1,415.39

Finding the Fourth Proportional to 2,409.53, 3,325.58 and 1,415.39

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Solution

The fourth proportional to 2,409.53, 3,325.58 and 1,415.39 is: 1,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.53 : 3,325.58 = 1,415.39 : x
  2. Step 2: Convert to fraction form
    2,409.53/3,325.58 = 1,415.39/x
  3. Step 3: Cross multiply
    2,409.53x = 3,325.58 × 1,415.39
  4. Step 4: Simplify right side
    2,409.53x = 4,706,968.97
  5. Step 5: Solve for x
    x = 4,706,968.97/2,409.53
  6. Step 6: Final answer
    x = 1,953.48

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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.