Home / 3,415.36-4,712.04-1,923.10

Finding the Fourth Proportional to 3,415.36, 4,712.04 and 1,923.10

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Solution

The fourth proportional to 3,415.36, 4,712.04 and 1,923.10 is: 2,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.36 : 4,712.04 = 1,923.10 : x
  2. Step 2: Convert to fraction form
    3,415.36/4,712.04 = 1,923.10/x
  3. Step 3: Cross multiply
    3,415.36x = 4,712.04 × 1,923.10
  4. Step 4: Simplify right side
    3,415.36x = 9,061,724.12
  5. Step 5: Solve for x
    x = 9,061,724.12/3,415.36
  6. Step 6: Final answer
    x = 2,653.23

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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.