Home / 6,101.62-8,421.24-4,607.20

Finding the Fourth Proportional to 6,101.62, 8,421.24 and 4,607.20

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Solution

The fourth proportional to 6,101.62, 8,421.24 and 4,607.20 is: 6,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.62 : 8,421.24 = 4,607.20 : x
  2. Step 2: Convert to fraction form
    6,101.62/8,421.24 = 4,607.20/x
  3. Step 3: Cross multiply
    6,101.62x = 8,421.24 × 4,607.20
  4. Step 4: Simplify right side
    6,101.62x = 38,798,336.93
  5. Step 5: Solve for x
    x = 38,798,336.93/6,101.62
  6. Step 6: Final answer
    x = 6,358.69

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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.