Home / 3,593.10-5,389.65-1,128.11

Finding the Fourth Proportional to 3,593.10, 5,389.65 and 1,128.11

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Solution

The fourth proportional to 3,593.10, 5,389.65 and 1,128.11 is: 1,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.10 : 5,389.65 = 1,128.11 : x
  2. Step 2: Convert to fraction form
    3,593.10/5,389.65 = 1,128.11/x
  3. Step 3: Cross multiply
    3,593.10x = 5,389.65 × 1,128.11
  4. Step 4: Simplify right side
    3,593.10x = 6,080,118.06
  5. Step 5: Solve for x
    x = 6,080,118.06/3,593.10
  6. Step 6: Final answer
    x = 1,692.17

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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.