Home / 7,251.35-10,870.75-4,323.51

Finding the Fourth Proportional to 7,251.35, 10,870.75 and 4,323.51

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Solution

The fourth proportional to 7,251.35, 10,870.75 and 4,323.51 is: 6,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.35 : 10,870.75 = 4,323.51 : x
  2. Step 2: Convert to fraction form
    7,251.35/10,870.75 = 4,323.51/x
  3. Step 3: Cross multiply
    7,251.35x = 10,870.75 × 4,323.51
  4. Step 4: Simplify right side
    7,251.35x = 46,999,720.36
  5. Step 5: Solve for x
    x = 46,999,720.36/7,251.35
  6. Step 6: Final answer
    x = 6,481.51

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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.