Home / 2,822.56-4,236.40-1,507.42

Finding the Fourth Proportional to 2,822.56, 4,236.40 and 1,507.42

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Solution

The fourth proportional to 2,822.56, 4,236.40 and 1,507.42 is: 2,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.56 : 4,236.40 = 1,507.42 : x
  2. Step 2: Convert to fraction form
    2,822.56/4,236.40 = 1,507.42/x
  3. Step 3: Cross multiply
    2,822.56x = 4,236.40 × 1,507.42
  4. Step 4: Simplify right side
    2,822.56x = 6,386,034.09
  5. Step 5: Solve for x
    x = 6,386,034.09/2,822.56
  6. Step 6: Final answer
    x = 2,262.50

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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.