Home / 3,210.88-4,816.25-1,479.51

Finding the Fourth Proportional to 3,210.88, 4,816.25 and 1,479.51

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Solution

The fourth proportional to 3,210.88, 4,816.25 and 1,479.51 is: 2,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.88 : 4,816.25 = 1,479.51 : x
  2. Step 2: Convert to fraction form
    3,210.88/4,816.25 = 1,479.51/x
  3. Step 3: Cross multiply
    3,210.88x = 4,816.25 × 1,479.51
  4. Step 4: Simplify right side
    3,210.88x = 7,125,662.26
  5. Step 5: Solve for x
    x = 7,125,662.26/3,210.88
  6. Step 6: Final answer
    x = 2,219.22

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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.