Home / 4,688.48-7,032.24-1,915.46

Finding the Fourth Proportional to 4,688.48, 7,032.24 and 1,915.46

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Solution

The fourth proportional to 4,688.48, 7,032.24 and 1,915.46 is: 2,872.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.48 : 7,032.24 = 1,915.46 : x
  2. Step 2: Convert to fraction form
    4,688.48/7,032.24 = 1,915.46/x
  3. Step 3: Cross multiply
    4,688.48x = 7,032.24 × 1,915.46
  4. Step 4: Simplify right side
    4,688.48x = 13,469,974.43
  5. Step 5: Solve for x
    x = 13,469,974.43/4,688.48
  6. Step 6: Final answer
    x = 2,872.99

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1.5x scale

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.