Home / 7,412.70-10,229.32-4,055.45

Finding the Fourth Proportional to 7,412.70, 10,229.32 and 4,055.45

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Solution

The fourth proportional to 7,412.70, 10,229.32 and 4,055.45 is: 5,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.70 : 10,229.32 = 4,055.45 : x
  2. Step 2: Convert to fraction form
    7,412.70/10,229.32 = 4,055.45/x
  3. Step 3: Cross multiply
    7,412.70x = 10,229.32 × 4,055.45
  4. Step 4: Simplify right side
    7,412.70x = 41,484,449.72
  5. Step 5: Solve for x
    x = 41,484,449.72/7,412.70
  6. Step 6: Final answer
    x = 5,596.40

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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.