Home / 1,480.77-2,043.16-1,126.60

Finding the Fourth Proportional to 1,480.77, 2,043.16 and 1,126.60

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Solution

The fourth proportional to 1,480.77, 2,043.16 and 1,126.60 is: 1,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.77 : 2,043.16 = 1,126.60 : x
  2. Step 2: Convert to fraction form
    1,480.77/2,043.16 = 1,126.60/x
  3. Step 3: Cross multiply
    1,480.77x = 2,043.16 × 1,126.60
  4. Step 4: Simplify right side
    1,480.77x = 2,301,822.47
  5. Step 5: Solve for x
    x = 2,301,822.47/1,480.77
  6. Step 6: Final answer
    x = 1,554.48

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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.