Home / 1,934.25-2,666.12-1,513.86

Finding the Fourth Proportional to 1,934.25, 2,666.12 and 1,513.86

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Solution

The fourth proportional to 1,934.25, 2,666.12 and 1,513.86 is: 2,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.25 : 2,666.12 = 1,513.86 : x
  2. Step 2: Convert to fraction form
    1,934.25/2,666.12 = 1,513.86/x
  3. Step 3: Cross multiply
    1,934.25x = 2,666.12 × 1,513.86
  4. Step 4: Simplify right side
    1,934.25x = 4,036,124.85
  5. Step 5: Solve for x
    x = 4,036,124.85/1,934.25
  6. Step 6: Final answer
    x = 2,086.66

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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.