Home / 2,117.45-3,172.66-1,498.08

Finding the Fourth Proportional to 2,117.45, 3,172.66 and 1,498.08

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Solution

The fourth proportional to 2,117.45, 3,172.66 and 1,498.08 is: 2,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.45 : 3,172.66 = 1,498.08 : x
  2. Step 2: Convert to fraction form
    2,117.45/3,172.66 = 1,498.08/x
  3. Step 3: Cross multiply
    2,117.45x = 3,172.66 × 1,498.08
  4. Step 4: Simplify right side
    2,117.45x = 4,752,894.75
  5. Step 5: Solve for x
    x = 4,752,894.75/2,117.45
  6. Step 6: Final answer
    x = 2,244.64

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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.