Home / 3,162.19-4,743.47-970.94

Finding the Fourth Proportional to 3,162.19, 4,743.47 and 970.94

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Solution

The fourth proportional to 3,162.19, 4,743.47 and 970.94 is: 1,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.19 : 4,743.47 = 970.94 : x
  2. Step 2: Convert to fraction form
    3,162.19/4,743.47 = 970.94/x
  3. Step 3: Cross multiply
    3,162.19x = 4,743.47 × 970.94
  4. Step 4: Simplify right side
    3,162.19x = 4,605,624.76
  5. Step 5: Solve for x
    x = 4,605,624.76/3,162.19
  6. Step 6: Final answer
    x = 1,456.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.