Home / 3,479.19-4,801.31-1,946.13

Finding the Fourth Proportional to 3,479.19, 4,801.31 and 1,946.13

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Solution

The fourth proportional to 3,479.19, 4,801.31 and 1,946.13 is: 2,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.19 : 4,801.31 = 1,946.13 : x
  2. Step 2: Convert to fraction form
    3,479.19/4,801.31 = 1,946.13/x
  3. Step 3: Cross multiply
    3,479.19x = 4,801.31 × 1,946.13
  4. Step 4: Simplify right side
    3,479.19x = 9,343,952.99
  5. Step 5: Solve for x
    x = 9,343,952.99/3,479.19
  6. Step 6: Final answer
    x = 2,685.67

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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.