Home / 3,035.28-4,188.64-1,708.98

Finding the Fourth Proportional to 3,035.28, 4,188.64 and 1,708.98

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Solution

The fourth proportional to 3,035.28, 4,188.64 and 1,708.98 is: 2,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.28 : 4,188.64 = 1,708.98 : x
  2. Step 2: Convert to fraction form
    3,035.28/4,188.64 = 1,708.98/x
  3. Step 3: Cross multiply
    3,035.28x = 4,188.64 × 1,708.98
  4. Step 4: Simplify right side
    3,035.28x = 7,158,301.99
  5. Step 5: Solve for x
    x = 7,158,301.99/3,035.28
  6. Step 6: Final answer
    x = 2,358.37

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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.