Home / 5,436.78-7,502.73-2,952.78

Finding the Fourth Proportional to 5,436.78, 7,502.73 and 2,952.78

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Solution

The fourth proportional to 5,436.78, 7,502.73 and 2,952.78 is: 4,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.78 : 7,502.73 = 2,952.78 : x
  2. Step 2: Convert to fraction form
    5,436.78/7,502.73 = 2,952.78/x
  3. Step 3: Cross multiply
    5,436.78x = 7,502.73 × 2,952.78
  4. Step 4: Simplify right side
    5,436.78x = 22,153,911.09
  5. Step 5: Solve for x
    x = 22,153,911.09/5,436.78
  6. Step 6: Final answer
    x = 4,074.82

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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.