Home / 5,184.40-7,156.04-4,919.93

Finding the Fourth Proportional to 5,184.40, 7,156.04 and 4,919.93

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Solution

The fourth proportional to 5,184.40, 7,156.04 and 4,919.93 is: 6,790.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.40 : 7,156.04 = 4,919.93 : x
  2. Step 2: Convert to fraction form
    5,184.40/7,156.04 = 4,919.93/x
  3. Step 3: Cross multiply
    5,184.40x = 7,156.04 × 4,919.93
  4. Step 4: Simplify right side
    5,184.40x = 35,207,191.28
  5. Step 5: Solve for x
    x = 35,207,191.28/5,184.40
  6. Step 6: Final answer
    x = 6,790.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.