Home / 7,436.64-11,154.40-2,754.45

Finding the Fourth Proportional to 7,436.64, 11,154.40 and 2,754.45

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Solution

The fourth proportional to 7,436.64, 11,154.40 and 2,754.45 is: 4,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.64 : 11,154.40 = 2,754.45 : x
  2. Step 2: Convert to fraction form
    7,436.64/11,154.40 = 2,754.45/x
  3. Step 3: Cross multiply
    7,436.64x = 11,154.40 × 2,754.45
  4. Step 4: Simplify right side
    7,436.64x = 30,724,237.08
  5. Step 5: Solve for x
    x = 30,724,237.08/7,436.64
  6. Step 6: Final answer
    x = 4,131.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.