Home / 7,473.75-10,313.40-4,115.93

Finding the Fourth Proportional to 7,473.75, 10,313.40 and 4,115.93

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Solution

The fourth proportional to 7,473.75, 10,313.40 and 4,115.93 is: 5,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.75 : 10,313.40 = 4,115.93 : x
  2. Step 2: Convert to fraction form
    7,473.75/10,313.40 = 4,115.93/x
  3. Step 3: Cross multiply
    7,473.75x = 10,313.40 × 4,115.93
  4. Step 4: Simplify right side
    7,473.75x = 42,449,232.46
  5. Step 5: Solve for x
    x = 42,449,232.46/7,473.75
  6. Step 6: Final answer
    x = 5,679.78

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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.