Home / 2,055.92-3,080.64-1,130.10

Finding the Fourth Proportional to 2,055.92, 3,080.64 and 1,130.10

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Solution

The fourth proportional to 2,055.92, 3,080.64 and 1,130.10 is: 1,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.92 : 3,080.64 = 1,130.10 : x
  2. Step 2: Convert to fraction form
    2,055.92/3,080.64 = 1,130.10/x
  3. Step 3: Cross multiply
    2,055.92x = 3,080.64 × 1,130.10
  4. Step 4: Simplify right side
    2,055.92x = 3,481,431.26
  5. Step 5: Solve for x
    x = 3,481,431.26/2,055.92
  6. Step 6: Final answer
    x = 1,693.37

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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.