Home / 1,873.96-2,587.11-1,316.14

Finding the Fourth Proportional to 1,873.96, 2,587.11 and 1,316.14

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Solution

The fourth proportional to 1,873.96, 2,587.11 and 1,316.14 is: 1,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.96 : 2,587.11 = 1,316.14 : x
  2. Step 2: Convert to fraction form
    1,873.96/2,587.11 = 1,316.14/x
  3. Step 3: Cross multiply
    1,873.96x = 2,587.11 × 1,316.14
  4. Step 4: Simplify right side
    1,873.96x = 3,404,998.96
  5. Step 5: Solve for x
    x = 3,404,998.96/1,873.96
  6. Step 6: Final answer
    x = 1,817.01

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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.