Home / 5,248.49-7,242.93-2,858.48

Finding the Fourth Proportional to 5,248.49, 7,242.93 and 2,858.48

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Solution

The fourth proportional to 5,248.49, 7,242.93 and 2,858.48 is: 3,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.49 : 7,242.93 = 2,858.48 : x
  2. Step 2: Convert to fraction form
    5,248.49/7,242.93 = 2,858.48/x
  3. Step 3: Cross multiply
    5,248.49x = 7,242.93 × 2,858.48
  4. Step 4: Simplify right side
    5,248.49x = 20,703,720.04
  5. Step 5: Solve for x
    x = 20,703,720.04/5,248.49
  6. Step 6: Final answer
    x = 3,944.70

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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.