Home / 5,052.96-6,971.13-2,928.06

Finding the Fourth Proportional to 5,052.96, 6,971.13 and 2,928.06

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Solution

The fourth proportional to 5,052.96, 6,971.13 and 2,928.06 is: 4,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.96 : 6,971.13 = 2,928.06 : x
  2. Step 2: Convert to fraction form
    5,052.96/6,971.13 = 2,928.06/x
  3. Step 3: Cross multiply
    5,052.96x = 6,971.13 × 2,928.06
  4. Step 4: Simplify right side
    5,052.96x = 20,411,886.91
  5. Step 5: Solve for x
    x = 20,411,886.91/5,052.96
  6. Step 6: Final answer
    x = 4,039.59

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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.