Home / 5,619.71-8,434.80-2,848.37

Finding the Fourth Proportional to 5,619.71, 8,434.80 and 2,848.37

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Solution

The fourth proportional to 5,619.71, 8,434.80 and 2,848.37 is: 4,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.71 : 8,434.80 = 2,848.37 : x
  2. Step 2: Convert to fraction form
    5,619.71/8,434.80 = 2,848.37/x
  3. Step 3: Cross multiply
    5,619.71x = 8,434.80 × 2,848.37
  4. Step 4: Simplify right side
    5,619.71x = 24,025,389.10
  5. Step 5: Solve for x
    x = 24,025,389.10/5,619.71
  6. Step 6: Final answer
    x = 4,275.20

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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.