Home / 2,555.10-3,525.12-1,893.06

Finding the Fourth Proportional to 2,555.10, 3,525.12 and 1,893.06

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Solution

The fourth proportional to 2,555.10, 3,525.12 and 1,893.06 is: 2,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.10 : 3,525.12 = 1,893.06 : x
  2. Step 2: Convert to fraction form
    2,555.10/3,525.12 = 1,893.06/x
  3. Step 3: Cross multiply
    2,555.10x = 3,525.12 × 1,893.06
  4. Step 4: Simplify right side
    2,555.10x = 6,673,263.67
  5. Step 5: Solve for x
    x = 6,673,263.67/2,555.10
  6. Step 6: Final answer
    x = 2,611.74

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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.