Home / 2,837.14-3,915.71-1,657.98

Finding the Fourth Proportional to 2,837.14, 3,915.71 and 1,657.98

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Solution

The fourth proportional to 2,837.14, 3,915.71 and 1,657.98 is: 2,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.14 : 3,915.71 = 1,657.98 : x
  2. Step 2: Convert to fraction form
    2,837.14/3,915.71 = 1,657.98/x
  3. Step 3: Cross multiply
    2,837.14x = 3,915.71 × 1,657.98
  4. Step 4: Simplify right side
    2,837.14x = 6,492,168.87
  5. Step 5: Solve for x
    x = 6,492,168.87/2,837.14
  6. Step 6: Final answer
    x = 2,288.28

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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.