Home / 1,513.13-2,088.23-850.01

Finding the Fourth Proportional to 1,513.13, 2,088.23 and 850.01

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Solution

The fourth proportional to 1,513.13, 2,088.23 and 850.01 is: 1,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.13 : 2,088.23 = 850.01 : x
  2. Step 2: Convert to fraction form
    1,513.13/2,088.23 = 850.01/x
  3. Step 3: Cross multiply
    1,513.13x = 2,088.23 × 850.01
  4. Step 4: Simplify right side
    1,513.13x = 1,775,001.69
  5. Step 5: Solve for x
    x = 1,775,001.69/1,513.13
  6. Step 6: Final answer
    x = 1,173.07

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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.