Home / 2,972.42-4,101.59-1,713.46

Finding the Fourth Proportional to 2,972.42, 4,101.59 and 1,713.46

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Solution

The fourth proportional to 2,972.42, 4,101.59 and 1,713.46 is: 2,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.42 : 4,101.59 = 1,713.46 : x
  2. Step 2: Convert to fraction form
    2,972.42/4,101.59 = 1,713.46/x
  3. Step 3: Cross multiply
    2,972.42x = 4,101.59 × 1,713.46
  4. Step 4: Simplify right side
    2,972.42x = 7,027,910.40
  5. Step 5: Solve for x
    x = 7,027,910.40/2,972.42
  6. Step 6: Final answer
    x = 2,364.38

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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.