Home / 5,375.21-7,417.76-3,017.35

Finding the Fourth Proportional to 5,375.21, 7,417.76 and 3,017.35

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Solution

The fourth proportional to 5,375.21, 7,417.76 and 3,017.35 is: 4,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.21 : 7,417.76 = 3,017.35 : x
  2. Step 2: Convert to fraction form
    5,375.21/7,417.76 = 3,017.35/x
  3. Step 3: Cross multiply
    5,375.21x = 7,417.76 × 3,017.35
  4. Step 4: Simplify right side
    5,375.21x = 22,381,972.32
  5. Step 5: Solve for x
    x = 22,381,972.32/5,375.21
  6. Step 6: Final answer
    x = 4,163.93

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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.