Home / 5,272.85-7,276.47-2,915.01

Finding the Fourth Proportional to 5,272.85, 7,276.47 and 2,915.01

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Solution

The fourth proportional to 5,272.85, 7,276.47 and 2,915.01 is: 4,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.85 : 7,276.47 = 2,915.01 : x
  2. Step 2: Convert to fraction form
    5,272.85/7,276.47 = 2,915.01/x
  3. Step 3: Cross multiply
    5,272.85x = 7,276.47 × 2,915.01
  4. Step 4: Simplify right side
    5,272.85x = 21,210,982.81
  5. Step 5: Solve for x
    x = 21,210,982.81/5,272.85
  6. Step 6: Final answer
    x = 4,022.68

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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.