Home / 1,513.17-2,088.19-850.02

Finding the Fourth Proportional to 1,513.17, 2,088.19 and 850.02

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Solution

The fourth proportional to 1,513.17, 2,088.19 and 850.02 is: 1,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.17 : 2,088.19 = 850.02 : x
  2. Step 2: Convert to fraction form
    1,513.17/2,088.19 = 850.02/x
  3. Step 3: Cross multiply
    1,513.17x = 2,088.19 × 850.02
  4. Step 4: Simplify right side
    1,513.17x = 1,775,003.26
  5. Step 5: Solve for x
    x = 1,775,003.26/1,513.17
  6. Step 6: Final answer
    x = 1,173.04

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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.