Home / 5,575.89-7,688.00-4,818.32

Finding the Fourth Proportional to 5,575.89, 7,688.00 and 4,818.32

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Solution

The fourth proportional to 5,575.89, 7,688.00 and 4,818.32 is: 6,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.89 : 7,688.00 = 4,818.32 : x
  2. Step 2: Convert to fraction form
    5,575.89/7,688.00 = 4,818.32/x
  3. Step 3: Cross multiply
    5,575.89x = 7,688.00 × 4,818.32
  4. Step 4: Simplify right side
    5,575.89x = 37,043,181.63
  5. Step 5: Solve for x
    x = 37,043,181.63/5,575.89
  6. Step 6: Final answer
    x = 6,643.46

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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.