Home / 7,518.25-11,275.73-2,521.33

Finding the Fourth Proportional to 7,518.25, 11,275.73 and 2,521.33

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Solution

The fourth proportional to 7,518.25, 11,275.73 and 2,521.33 is: 3,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.25 : 11,275.73 = 2,521.33 : x
  2. Step 2: Convert to fraction form
    7,518.25/11,275.73 = 2,521.33/x
  3. Step 3: Cross multiply
    7,518.25x = 11,275.73 × 2,521.33
  4. Step 4: Simplify right side
    7,518.25x = 28,429,812.07
  5. Step 5: Solve for x
    x = 28,429,812.07/7,518.25
  6. Step 6: Final answer
    x = 3,781.44

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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.