Home / 2,915.24-4,022.34-1,656.32

Finding the Fourth Proportional to 2,915.24, 4,022.34 and 1,656.32

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Solution

The fourth proportional to 2,915.24, 4,022.34 and 1,656.32 is: 2,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.24 : 4,022.34 = 1,656.32 : x
  2. Step 2: Convert to fraction form
    2,915.24/4,022.34 = 1,656.32/x
  3. Step 3: Cross multiply
    2,915.24x = 4,022.34 × 1,656.32
  4. Step 4: Simplify right side
    2,915.24x = 6,662,282.19
  5. Step 5: Solve for x
    x = 6,662,282.19/2,915.24
  6. Step 6: Final answer
    x = 2,285.33

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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.