Home / 5,915.75-8,875.71-2,628.54

Finding the Fourth Proportional to 5,915.75, 8,875.71 and 2,628.54

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Solution

The fourth proportional to 5,915.75, 8,875.71 and 2,628.54 is: 3,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.75 : 8,875.71 = 2,628.54 : x
  2. Step 2: Convert to fraction form
    5,915.75/8,875.71 = 2,628.54/x
  3. Step 3: Cross multiply
    5,915.75x = 8,875.71 × 2,628.54
  4. Step 4: Simplify right side
    5,915.75x = 23,330,158.76
  5. Step 5: Solve for x
    x = 23,330,158.76/5,915.75
  6. Step 6: Final answer
    x = 3,943.74

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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.