Home / 1,593.28-2,199.12-1,127.68

Finding the Fourth Proportional to 1,593.28, 2,199.12 and 1,127.68

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Solution

The fourth proportional to 1,593.28, 2,199.12 and 1,127.68 is: 1,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.28 : 2,199.12 = 1,127.68 : x
  2. Step 2: Convert to fraction form
    1,593.28/2,199.12 = 1,127.68/x
  3. Step 3: Cross multiply
    1,593.28x = 2,199.12 × 1,127.68
  4. Step 4: Simplify right side
    1,593.28x = 2,479,903.64
  5. Step 5: Solve for x
    x = 2,479,903.64/1,593.28
  6. Step 6: Final answer
    x = 1,556.48

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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.