Home / 2,915.34-4,023.31-1,656.33

Finding the Fourth Proportional to 2,915.34, 4,023.31 and 1,656.33

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Solution

The fourth proportional to 2,915.34, 4,023.31 and 1,656.33 is: 2,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.34 : 4,023.31 = 1,656.33 : x
  2. Step 2: Convert to fraction form
    2,915.34/4,023.31 = 1,656.33/x
  3. Step 3: Cross multiply
    2,915.34x = 4,023.31 × 1,656.33
  4. Step 4: Simplify right side
    2,915.34x = 6,663,929.05
  5. Step 5: Solve for x
    x = 6,663,929.05/2,915.34
  6. Step 6: Final answer
    x = 2,285.82

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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.