Home / 6,875.48-10,312.38-2,928.33

Finding the Fourth Proportional to 6,875.48, 10,312.38 and 2,928.33

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Solution

The fourth proportional to 6,875.48, 10,312.38 and 2,928.33 is: 4,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.48 : 10,312.38 = 2,928.33 : x
  2. Step 2: Convert to fraction form
    6,875.48/10,312.38 = 2,928.33/x
  3. Step 3: Cross multiply
    6,875.48x = 10,312.38 × 2,928.33
  4. Step 4: Simplify right side
    6,875.48x = 30,198,051.73
  5. Step 5: Solve for x
    x = 30,198,051.73/6,875.48
  6. Step 6: Final answer
    x = 4,392.14

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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.