Home / 7,002.14-9,658.60-4,167.58

Finding the Fourth Proportional to 7,002.14, 9,658.60 and 4,167.58

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Solution

The fourth proportional to 7,002.14, 9,658.60 and 4,167.58 is: 5,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.14 : 9,658.60 = 4,167.58 : x
  2. Step 2: Convert to fraction form
    7,002.14/9,658.60 = 4,167.58/x
  3. Step 3: Cross multiply
    7,002.14x = 9,658.60 × 4,167.58
  4. Step 4: Simplify right side
    7,002.14x = 40,252,977.77
  5. Step 5: Solve for x
    x = 40,252,977.77/7,002.14
  6. Step 6: Final answer
    x = 5,748.67

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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.