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Finding the Fourth Proportional to 5,401.58, 7,454.03 and 3,011.58

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Solution

The fourth proportional to 5,401.58, 7,454.03 and 3,011.58 is: 4,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.58 : 7,454.03 = 3,011.58 : x
  2. Step 2: Convert to fraction form
    5,401.58/7,454.03 = 3,011.58/x
  3. Step 3: Cross multiply
    5,401.58x = 7,454.03 × 3,011.58
  4. Step 4: Simplify right side
    5,401.58x = 22,448,392.61
  5. Step 5: Solve for x
    x = 22,448,392.61/5,401.58
  6. Step 6: Final answer
    x = 4,155.90

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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.