Home / 4,968.90-7,452.81-1,681.74

Finding the Fourth Proportional to 4,968.90, 7,452.81 and 1,681.74

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Solution

The fourth proportional to 4,968.90, 7,452.81 and 1,681.74 is: 2,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.90 : 7,452.81 = 1,681.74 : x
  2. Step 2: Convert to fraction form
    4,968.90/7,452.81 = 1,681.74/x
  3. Step 3: Cross multiply
    4,968.90x = 7,452.81 × 1,681.74
  4. Step 4: Simplify right side
    4,968.90x = 12,533,688.69
  5. Step 5: Solve for x
    x = 12,533,688.69/4,968.90
  6. Step 6: Final answer
    x = 2,522.43

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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.