Home / 2,973.23-4,106.51-1,976.79

Finding the Fourth Proportional to 2,973.23, 4,106.51 and 1,976.79

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Solution

The fourth proportional to 2,973.23, 4,106.51 and 1,976.79 is: 2,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.23 : 4,106.51 = 1,976.79 : x
  2. Step 2: Convert to fraction form
    2,973.23/4,106.51 = 1,976.79/x
  3. Step 3: Cross multiply
    2,973.23x = 4,106.51 × 1,976.79
  4. Step 4: Simplify right side
    2,973.23x = 8,117,677.49
  5. Step 5: Solve for x
    x = 8,117,677.49/2,973.23
  6. Step 6: Final answer
    x = 2,730.25

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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.