Home / 7,772.90-10,726.83-4,236.35

Finding the Fourth Proportional to 7,772.90, 10,726.83 and 4,236.35

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Solution

The fourth proportional to 7,772.90, 10,726.83 and 4,236.35 is: 5,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.90 : 10,726.83 = 4,236.35 : x
  2. Step 2: Convert to fraction form
    7,772.90/10,726.83 = 4,236.35/x
  3. Step 3: Cross multiply
    7,772.90x = 10,726.83 × 4,236.35
  4. Step 4: Simplify right side
    7,772.90x = 45,442,552.64
  5. Step 5: Solve for x
    x = 45,442,552.64/7,772.90
  6. Step 6: Final answer
    x = 5,846.28

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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.