Home / 7,335.45-10,120.44-4,684.40

Finding the Fourth Proportional to 7,335.45, 10,120.44 and 4,684.40

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Solution

The fourth proportional to 7,335.45, 10,120.44 and 4,684.40 is: 6,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.45 : 10,120.44 = 4,684.40 : x
  2. Step 2: Convert to fraction form
    7,335.45/10,120.44 = 4,684.40/x
  3. Step 3: Cross multiply
    7,335.45x = 10,120.44 × 4,684.40
  4. Step 4: Simplify right side
    7,335.45x = 47,408,138.53
  5. Step 5: Solve for x
    x = 47,408,138.53/7,335.45
  6. Step 6: Final answer
    x = 6,462.88

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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.