Home / 7,415.01-10,232.55-4,057.79

Finding the Fourth Proportional to 7,415.01, 10,232.55 and 4,057.79

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Solution

The fourth proportional to 7,415.01, 10,232.55 and 4,057.79 is: 5,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.01 : 10,232.55 = 4,057.79 : x
  2. Step 2: Convert to fraction form
    7,415.01/10,232.55 = 4,057.79/x
  3. Step 3: Cross multiply
    7,415.01x = 10,232.55 × 4,057.79
  4. Step 4: Simplify right side
    7,415.01x = 41,521,487.90
  5. Step 5: Solve for x
    x = 41,521,487.90/7,415.01
  6. Step 6: Final answer
    x = 5,599.65

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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.