Home / 5,248.23-7,240.55-3,009.30

Finding the Fourth Proportional to 5,248.23, 7,240.55 and 3,009.30

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Solution

The fourth proportional to 5,248.23, 7,240.55 and 3,009.30 is: 4,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.23 : 7,240.55 = 3,009.30 : x
  2. Step 2: Convert to fraction form
    5,248.23/7,240.55 = 3,009.30/x
  3. Step 3: Cross multiply
    5,248.23x = 7,240.55 × 3,009.30
  4. Step 4: Simplify right side
    5,248.23x = 21,788,972.07
  5. Step 5: Solve for x
    x = 21,788,972.07/5,248.23
  6. Step 6: Final answer
    x = 4,151.68

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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.