Home / 1,632.27-2,250.48-1,107.39

Finding the Fourth Proportional to 1,632.27, 2,250.48 and 1,107.39

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Solution

The fourth proportional to 1,632.27, 2,250.48 and 1,107.39 is: 1,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.27 : 2,250.48 = 1,107.39 : x
  2. Step 2: Convert to fraction form
    1,632.27/2,250.48 = 1,107.39/x
  3. Step 3: Cross multiply
    1,632.27x = 2,250.48 × 1,107.39
  4. Step 4: Simplify right side
    1,632.27x = 2,492,159.05
  5. Step 5: Solve for x
    x = 2,492,159.05/1,632.27
  6. Step 6: Final answer
    x = 1,526.81

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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.