Home / 5,340.51-7,370.25-2,982.65

Finding the Fourth Proportional to 5,340.51, 7,370.25 and 2,982.65

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Solution

The fourth proportional to 5,340.51, 7,370.25 and 2,982.65 is: 4,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.51 : 7,370.25 = 2,982.65 : x
  2. Step 2: Convert to fraction form
    5,340.51/7,370.25 = 2,982.65/x
  3. Step 3: Cross multiply
    5,340.51x = 7,370.25 × 2,982.65
  4. Step 4: Simplify right side
    5,340.51x = 21,982,876.16
  5. Step 5: Solve for x
    x = 21,982,876.16/5,340.51
  6. Step 6: Final answer
    x = 4,116.25

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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.