Home / 5,988.12-8,968.60-4,130.79

Finding the Fourth Proportional to 5,988.12, 8,968.60 and 4,130.79

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Solution

The fourth proportional to 5,988.12, 8,968.60 and 4,130.79 is: 6,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.12 : 8,968.60 = 4,130.79 : x
  2. Step 2: Convert to fraction form
    5,988.12/8,968.60 = 4,130.79/x
  3. Step 3: Cross multiply
    5,988.12x = 8,968.60 × 4,130.79
  4. Step 4: Simplify right side
    5,988.12x = 37,047,403.19
  5. Step 5: Solve for x
    x = 37,047,403.19/5,988.12
  6. Step 6: Final answer
    x = 6,186.82

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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.