Home / 2,915.09-4,022.92-1,656.13

Finding the Fourth Proportional to 2,915.09, 4,022.92 and 1,656.13

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Solution

The fourth proportional to 2,915.09, 4,022.92 and 1,656.13 is: 2,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.09 : 4,022.92 = 1,656.13 : x
  2. Step 2: Convert to fraction form
    2,915.09/4,022.92 = 1,656.13/x
  3. Step 3: Cross multiply
    2,915.09x = 4,022.92 × 1,656.13
  4. Step 4: Simplify right side
    2,915.09x = 6,662,466.07
  5. Step 5: Solve for x
    x = 6,662,466.07/2,915.09
  6. Step 6: Final answer
    x = 2,285.51

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1.5x scale

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.