Home / 4,658.10-6,985.80-1,538.52

Finding the Fourth Proportional to 4,658.10, 6,985.80 and 1,538.52

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Solution

The fourth proportional to 4,658.10, 6,985.80 and 1,538.52 is: 2,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.10 : 6,985.80 = 1,538.52 : x
  2. Step 2: Convert to fraction form
    4,658.10/6,985.80 = 1,538.52/x
  3. Step 3: Cross multiply
    4,658.10x = 6,985.80 × 1,538.52
  4. Step 4: Simplify right side
    4,658.10x = 10,747,793.02
  5. Step 5: Solve for x
    x = 10,747,793.02/4,658.10
  6. Step 6: Final answer
    x = 2,307.33

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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.