Home / 2,863.34-4,256.40-2,779.26

Finding the Fourth Proportional to 2,863.34, 4,256.40 and 2,779.26

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Solution

The fourth proportional to 2,863.34, 4,256.40 and 2,779.26 is: 4,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.34 : 4,256.40 = 2,779.26 : x
  2. Step 2: Convert to fraction form
    2,863.34/4,256.40 = 2,779.26/x
  3. Step 3: Cross multiply
    2,863.34x = 4,256.40 × 2,779.26
  4. Step 4: Simplify right side
    2,863.34x = 11,829,607.09
  5. Step 5: Solve for x
    x = 11,829,607.09/2,863.34
  6. Step 6: Final answer
    x = 4,131.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.