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Finding the Fourth Proportional to 3,393.85, 5,088.93 and 1,053.22

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Solution

The fourth proportional to 3,393.85, 5,088.93 and 1,053.22 is: 1,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.85 : 5,088.93 = 1,053.22 : x
  2. Step 2: Convert to fraction form
    3,393.85/5,088.93 = 1,053.22/x
  3. Step 3: Cross multiply
    3,393.85x = 5,088.93 × 1,053.22
  4. Step 4: Simplify right side
    3,393.85x = 5,359,762.85
  5. Step 5: Solve for x
    x = 5,359,762.85/3,393.85
  6. Step 6: Final answer
    x = 1,579.26

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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.