Home / 2,848.13-4,272.60-900.13

Finding the Fourth Proportional to 2,848.13, 4,272.60 and 900.13

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Solution

The fourth proportional to 2,848.13, 4,272.60 and 900.13 is: 1,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.13 : 4,272.60 = 900.13 : x
  2. Step 2: Convert to fraction form
    2,848.13/4,272.60 = 900.13/x
  3. Step 3: Cross multiply
    2,848.13x = 4,272.60 × 900.13
  4. Step 4: Simplify right side
    2,848.13x = 3,845,895.44
  5. Step 5: Solve for x
    x = 3,845,895.44/2,848.13
  6. Step 6: Final answer
    x = 1,350.32

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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.