Home / 2,210.25-3,050.36-1,266.11

Finding the Fourth Proportional to 2,210.25, 3,050.36 and 1,266.11

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Solution

The fourth proportional to 2,210.25, 3,050.36 and 1,266.11 is: 1,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.25 : 3,050.36 = 1,266.11 : x
  2. Step 2: Convert to fraction form
    2,210.25/3,050.36 = 1,266.11/x
  3. Step 3: Cross multiply
    2,210.25x = 3,050.36 × 1,266.11
  4. Step 4: Simplify right side
    2,210.25x = 3,862,069.72
  5. Step 5: Solve for x
    x = 3,862,069.72/2,210.25
  6. Step 6: Final answer
    x = 1,747.35

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Half scale
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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.