Home / 4,681.08-7,020.18-2,488.60

Finding the Fourth Proportional to 4,681.08, 7,020.18 and 2,488.60

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Solution

The fourth proportional to 4,681.08, 7,020.18 and 2,488.60 is: 3,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.08 : 7,020.18 = 2,488.60 : x
  2. Step 2: Convert to fraction form
    4,681.08/7,020.18 = 2,488.60/x
  3. Step 3: Cross multiply
    4,681.08x = 7,020.18 × 2,488.60
  4. Step 4: Simplify right side
    4,681.08x = 17,470,419.95
  5. Step 5: Solve for x
    x = 17,470,419.95/4,681.08
  6. Step 6: Final answer
    x = 3,732.13

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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.