Home / 1,516.13-2,092.35-919.03

Finding the Fourth Proportional to 1,516.13, 2,092.35 and 919.03

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Solution

The fourth proportional to 1,516.13, 2,092.35 and 919.03 is: 1,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.13 : 2,092.35 = 919.03 : x
  2. Step 2: Convert to fraction form
    1,516.13/2,092.35 = 919.03/x
  3. Step 3: Cross multiply
    1,516.13x = 2,092.35 × 919.03
  4. Step 4: Simplify right side
    1,516.13x = 1,922,927.19
  5. Step 5: Solve for x
    x = 1,922,927.19/1,516.13
  6. Step 6: Final answer
    x = 1,268.32

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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.