Home / 2,575.63-3,860.83-1,015.02

Finding the Fourth Proportional to 2,575.63, 3,860.83 and 1,015.02

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Solution

The fourth proportional to 2,575.63, 3,860.83 and 1,015.02 is: 1,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.63 : 3,860.83 = 1,015.02 : x
  2. Step 2: Convert to fraction form
    2,575.63/3,860.83 = 1,015.02/x
  3. Step 3: Cross multiply
    2,575.63x = 3,860.83 × 1,015.02
  4. Step 4: Simplify right side
    2,575.63x = 3,918,819.67
  5. Step 5: Solve for x
    x = 3,918,819.67/2,575.63
  6. Step 6: Final answer
    x = 1,521.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.