Home / 3,593.68-5,390.40-1,283.60

Finding the Fourth Proportional to 3,593.68, 5,390.40 and 1,283.60

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Solution

The fourth proportional to 3,593.68, 5,390.40 and 1,283.60 is: 1,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.68 : 5,390.40 = 1,283.60 : x
  2. Step 2: Convert to fraction form
    3,593.68/5,390.40 = 1,283.60/x
  3. Step 3: Cross multiply
    3,593.68x = 5,390.40 × 1,283.60
  4. Step 4: Simplify right side
    3,593.68x = 6,919,117.44
  5. Step 5: Solve for x
    x = 6,919,117.44/3,593.68
  6. Step 6: Final answer
    x = 1,925.36

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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.