Home / 2,900.25-4,002.35-1,573.96

Finding the Fourth Proportional to 2,900.25, 4,002.35 and 1,573.96

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Solution

The fourth proportional to 2,900.25, 4,002.35 and 1,573.96 is: 2,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.25 : 4,002.35 = 1,573.96 : x
  2. Step 2: Convert to fraction form
    2,900.25/4,002.35 = 1,573.96/x
  3. Step 3: Cross multiply
    2,900.25x = 4,002.35 × 1,573.96
  4. Step 4: Simplify right side
    2,900.25x = 6,299,536.22
  5. Step 5: Solve for x
    x = 6,299,536.22/2,900.25
  6. Step 6: Final answer
    x = 2,172.06

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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.