Home / 7,432.64-11,148.40-2,750.45

Finding the Fourth Proportional to 7,432.64, 11,148.40 and 2,750.45

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Solution

The fourth proportional to 7,432.64, 11,148.40 and 2,750.45 is: 4,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.64 : 11,148.40 = 2,750.45 : x
  2. Step 2: Convert to fraction form
    7,432.64/11,148.40 = 2,750.45/x
  3. Step 3: Cross multiply
    7,432.64x = 11,148.40 × 2,750.45
  4. Step 4: Simplify right side
    7,432.64x = 30,663,137.77
  5. Step 5: Solve for x
    x = 30,663,137.77/7,432.64
  6. Step 6: Final answer
    x = 4,125.47

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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.