Home / 5,248.26-7,243.40-3,987.26

Finding the Fourth Proportional to 5,248.26, 7,243.40 and 3,987.26

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Solution

The fourth proportional to 5,248.26, 7,243.40 and 3,987.26 is: 5,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.26 : 7,243.40 = 3,987.26 : x
  2. Step 2: Convert to fraction form
    5,248.26/7,243.40 = 3,987.26/x
  3. Step 3: Cross multiply
    5,248.26x = 7,243.40 × 3,987.26
  4. Step 4: Simplify right side
    5,248.26x = 28,881,319.08
  5. Step 5: Solve for x
    x = 28,881,319.08/5,248.26
  6. Step 6: Final answer
    x = 5,503.03

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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.