Home / 2,210.90-3,316.34-1,053.14

Finding the Fourth Proportional to 2,210.90, 3,316.34 and 1,053.14

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Solution

The fourth proportional to 2,210.90, 3,316.34 and 1,053.14 is: 1,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.90 : 3,316.34 = 1,053.14 : x
  2. Step 2: Convert to fraction form
    2,210.90/3,316.34 = 1,053.14/x
  3. Step 3: Cross multiply
    2,210.90x = 3,316.34 × 1,053.14
  4. Step 4: Simplify right side
    2,210.90x = 3,492,570.31
  5. Step 5: Solve for x
    x = 3,492,570.31/2,210.90
  6. Step 6: Final answer
    x = 1,579.71

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Double scale
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Similar ratio
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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.