Home / 5,656.31-8,480.36-3,802.82

Finding the Fourth Proportional to 5,656.31, 8,480.36 and 3,802.82

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Solution

The fourth proportional to 5,656.31, 8,480.36 and 3,802.82 is: 5,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.31 : 8,480.36 = 3,802.82 : x
  2. Step 2: Convert to fraction form
    5,656.31/8,480.36 = 3,802.82/x
  3. Step 3: Cross multiply
    5,656.31x = 8,480.36 × 3,802.82
  4. Step 4: Simplify right side
    5,656.31x = 32,249,263.60
  5. Step 5: Solve for x
    x = 32,249,263.60/5,656.31
  6. Step 6: Final answer
    x = 5,701.47

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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.