Home / 3,017.86-4,164.08-1,691.48

Finding the Fourth Proportional to 3,017.86, 4,164.08 and 1,691.48

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Solution

The fourth proportional to 3,017.86, 4,164.08 and 1,691.48 is: 2,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.86 : 4,164.08 = 1,691.48 : x
  2. Step 2: Convert to fraction form
    3,017.86/4,164.08 = 1,691.48/x
  3. Step 3: Cross multiply
    3,017.86x = 4,164.08 × 1,691.48
  4. Step 4: Simplify right side
    3,017.86x = 7,043,459.99
  5. Step 5: Solve for x
    x = 7,043,459.99/3,017.86
  6. Step 6: Final answer
    x = 2,333.93

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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.