Home / 2,055.08-2,837.16-1,357.68

Finding the Fourth Proportional to 2,055.08, 2,837.16 and 1,357.68

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Solution

The fourth proportional to 2,055.08, 2,837.16 and 1,357.68 is: 1,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.08 : 2,837.16 = 1,357.68 : x
  2. Step 2: Convert to fraction form
    2,055.08/2,837.16 = 1,357.68/x
  3. Step 3: Cross multiply
    2,055.08x = 2,837.16 × 1,357.68
  4. Step 4: Simplify right side
    2,055.08x = 3,851,955.39
  5. Step 5: Solve for x
    x = 3,851,955.39/2,055.08
  6. Step 6: Final answer
    x = 1,874.36

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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.