Home / 5,248.21-7,243.14-3,010.78

Finding the Fourth Proportional to 5,248.21, 7,243.14 and 3,010.78

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Solution

The fourth proportional to 5,248.21, 7,243.14 and 3,010.78 is: 4,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.21 : 7,243.14 = 3,010.78 : x
  2. Step 2: Convert to fraction form
    5,248.21/7,243.14 = 3,010.78/x
  3. Step 3: Cross multiply
    5,248.21x = 7,243.14 × 3,010.78
  4. Step 4: Simplify right side
    5,248.21x = 21,807,501.05
  5. Step 5: Solve for x
    x = 21,807,501.05/5,248.21
  6. Step 6: Final answer
    x = 4,155.23

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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.