Home / 7,630.65-10,530.94-4,273.40

Finding the Fourth Proportional to 7,630.65, 10,530.94 and 4,273.40

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Solution

The fourth proportional to 7,630.65, 10,530.94 and 4,273.40 is: 5,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.65 : 10,530.94 = 4,273.40 : x
  2. Step 2: Convert to fraction form
    7,630.65/10,530.94 = 4,273.40/x
  3. Step 3: Cross multiply
    7,630.65x = 10,530.94 × 4,273.40
  4. Step 4: Simplify right side
    7,630.65x = 45,002,934.64
  5. Step 5: Solve for x
    x = 45,002,934.64/7,630.65
  6. Step 6: Final answer
    x = 5,897.65

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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.