Home / 4,878.56-7,316.54-1,368.36

Finding the Fourth Proportional to 4,878.56, 7,316.54 and 1,368.36

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Solution

The fourth proportional to 4,878.56, 7,316.54 and 1,368.36 is: 2,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.56 : 7,316.54 = 1,368.36 : x
  2. Step 2: Convert to fraction form
    4,878.56/7,316.54 = 1,368.36/x
  3. Step 3: Cross multiply
    4,878.56x = 7,316.54 × 1,368.36
  4. Step 4: Simplify right side
    4,878.56x = 10,011,660.67
  5. Step 5: Solve for x
    x = 10,011,660.67/4,878.56
  6. Step 6: Final answer
    x = 2,052.18

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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.