Home / 1,897.93-2,619.20-1,101.19

Finding the Fourth Proportional to 1,897.93, 2,619.20 and 1,101.19

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Solution

The fourth proportional to 1,897.93, 2,619.20 and 1,101.19 is: 1,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.93 : 2,619.20 = 1,101.19 : x
  2. Step 2: Convert to fraction form
    1,897.93/2,619.20 = 1,101.19/x
  3. Step 3: Cross multiply
    1,897.93x = 2,619.20 × 1,101.19
  4. Step 4: Simplify right side
    1,897.93x = 2,884,237.96
  5. Step 5: Solve for x
    x = 2,884,237.96/1,897.93
  6. Step 6: Final answer
    x = 1,519.68

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Double scale
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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.