Home / 7,810.52-10,778.29-4,273.49

Finding the Fourth Proportional to 7,810.52, 10,778.29 and 4,273.49

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Solution

The fourth proportional to 7,810.52, 10,778.29 and 4,273.49 is: 5,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.52 : 10,778.29 = 4,273.49 : x
  2. Step 2: Convert to fraction form
    7,810.52/10,778.29 = 4,273.49/x
  3. Step 3: Cross multiply
    7,810.52x = 10,778.29 × 4,273.49
  4. Step 4: Simplify right side
    7,810.52x = 46,060,930.79
  5. Step 5: Solve for x
    x = 46,060,930.79/7,810.52
  6. Step 6: Final answer
    x = 5,897.30

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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.