Home / 4,119.12-6,176.52-2,948.40

Finding the Fourth Proportional to 4,119.12, 6,176.52 and 2,948.40

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Solution

The fourth proportional to 4,119.12, 6,176.52 and 2,948.40 is: 4,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.12 : 6,176.52 = 2,948.40 : x
  2. Step 2: Convert to fraction form
    4,119.12/6,176.52 = 2,948.40/x
  3. Step 3: Cross multiply
    4,119.12x = 6,176.52 × 2,948.40
  4. Step 4: Simplify right side
    4,119.12x = 18,210,851.57
  5. Step 5: Solve for x
    x = 18,210,851.57/4,119.12
  6. Step 6: Final answer
    x = 4,421.05

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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.