Home / 2,010.96-2,775.15-1,126.98

Finding the Fourth Proportional to 2,010.96, 2,775.15 and 1,126.98

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Solution

The fourth proportional to 2,010.96, 2,775.15 and 1,126.98 is: 1,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.96 : 2,775.15 = 1,126.98 : x
  2. Step 2: Convert to fraction form
    2,010.96/2,775.15 = 1,126.98/x
  3. Step 3: Cross multiply
    2,010.96x = 2,775.15 × 1,126.98
  4. Step 4: Simplify right side
    2,010.96x = 3,127,538.55
  5. Step 5: Solve for x
    x = 3,127,538.55/2,010.96
  6. Step 6: Final answer
    x = 1,555.25

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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.