Home / 2,680.23-3,698.70-1,501.32

Finding the Fourth Proportional to 2,680.23, 3,698.70 and 1,501.32

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Solution

The fourth proportional to 2,680.23, 3,698.70 and 1,501.32 is: 2,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.23 : 3,698.70 = 1,501.32 : x
  2. Step 2: Convert to fraction form
    2,680.23/3,698.70 = 1,501.32/x
  3. Step 3: Cross multiply
    2,680.23x = 3,698.70 × 1,501.32
  4. Step 4: Simplify right side
    2,680.23x = 5,552,932.28
  5. Step 5: Solve for x
    x = 5,552,932.28/2,680.23
  6. Step 6: Final answer
    x = 2,071.81

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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.