Home / 2,001.54-2,762.26-1,117.50

Finding the Fourth Proportional to 2,001.54, 2,762.26 and 1,117.50

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Solution

The fourth proportional to 2,001.54, 2,762.26 and 1,117.50 is: 1,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.54 : 2,762.26 = 1,117.50 : x
  2. Step 2: Convert to fraction form
    2,001.54/2,762.26 = 1,117.50/x
  3. Step 3: Cross multiply
    2,001.54x = 2,762.26 × 1,117.50
  4. Step 4: Simplify right side
    2,001.54x = 3,086,825.55
  5. Step 5: Solve for x
    x = 3,086,825.55/2,001.54
  6. Step 6: Final answer
    x = 1,542.23

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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.