Home / 4,382.28-6,566.13-1,913.40

Finding the Fourth Proportional to 4,382.28, 6,566.13 and 1,913.40

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Solution

The fourth proportional to 4,382.28, 6,566.13 and 1,913.40 is: 2,866.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.28 : 6,566.13 = 1,913.40 : x
  2. Step 2: Convert to fraction form
    4,382.28/6,566.13 = 1,913.40/x
  3. Step 3: Cross multiply
    4,382.28x = 6,566.13 × 1,913.40
  4. Step 4: Simplify right side
    4,382.28x = 12,563,633.14
  5. Step 5: Solve for x
    x = 12,563,633.14/4,382.28
  6. Step 6: Final answer
    x = 2,866.92

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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.