Home / 7,464.45-10,300.80-4,107.18

Finding the Fourth Proportional to 7,464.45, 10,300.80 and 4,107.18

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Solution

The fourth proportional to 7,464.45, 10,300.80 and 4,107.18 is: 5,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.45 : 10,300.80 = 4,107.18 : x
  2. Step 2: Convert to fraction form
    7,464.45/10,300.80 = 4,107.18/x
  3. Step 3: Cross multiply
    7,464.45x = 10,300.80 × 4,107.18
  4. Step 4: Simplify right side
    7,464.45x = 42,307,239.74
  5. Step 5: Solve for x
    x = 42,307,239.74/7,464.45
  6. Step 6: Final answer
    x = 5,667.83

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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.