Home / 7,726.55-10,671.40-5,204.28

Finding the Fourth Proportional to 7,726.55, 10,671.40 and 5,204.28

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Solution

The fourth proportional to 7,726.55, 10,671.40 and 5,204.28 is: 7,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.55 : 10,671.40 = 5,204.28 : x
  2. Step 2: Convert to fraction form
    7,726.55/10,671.40 = 5,204.28/x
  3. Step 3: Cross multiply
    7,726.55x = 10,671.40 × 5,204.28
  4. Step 4: Simplify right side
    7,726.55x = 55,536,953.59
  5. Step 5: Solve for x
    x = 55,536,953.59/7,726.55
  6. Step 6: Final answer
    x = 7,187.81

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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.