Home / 5,228.17-7,840.60-1,717.37

Finding the Fourth Proportional to 5,228.17, 7,840.60 and 1,717.37

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Solution

The fourth proportional to 5,228.17, 7,840.60 and 1,717.37 is: 2,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.17 : 7,840.60 = 1,717.37 : x
  2. Step 2: Convert to fraction form
    5,228.17/7,840.60 = 1,717.37/x
  3. Step 3: Cross multiply
    5,228.17x = 7,840.60 × 1,717.37
  4. Step 4: Simplify right side
    5,228.17x = 13,465,178.68
  5. Step 5: Solve for x
    x = 13,465,178.68/5,228.17
  6. Step 6: Final answer
    x = 2,575.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.