Home / 1,825.47-2,520.32-1,127.25

Finding the Fourth Proportional to 1,825.47, 2,520.32 and 1,127.25

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Solution

The fourth proportional to 1,825.47, 2,520.32 and 1,127.25 is: 1,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.47 : 2,520.32 = 1,127.25 : x
  2. Step 2: Convert to fraction form
    1,825.47/2,520.32 = 1,127.25/x
  3. Step 3: Cross multiply
    1,825.47x = 2,520.32 × 1,127.25
  4. Step 4: Simplify right side
    1,825.47x = 2,841,025.08
  5. Step 5: Solve for x
    x = 2,841,025.08/1,825.47
  6. Step 6: Final answer
    x = 1,556.33

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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.