Home / 4,658.61-6,987.88-4,425.01

Finding the Fourth Proportional to 4,658.61, 6,987.88 and 4,425.01

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Solution

The fourth proportional to 4,658.61, 6,987.88 and 4,425.01 is: 6,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.61 : 6,987.88 = 4,425.01 : x
  2. Step 2: Convert to fraction form
    4,658.61/6,987.88 = 4,425.01/x
  3. Step 3: Cross multiply
    4,658.61x = 6,987.88 × 4,425.01
  4. Step 4: Simplify right side
    4,658.61x = 30,921,438.88
  5. Step 5: Solve for x
    x = 30,921,438.88/4,658.61
  6. Step 6: Final answer
    x = 6,637.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.