Home / 7,148.32-10,710.62-5,057.96

Finding the Fourth Proportional to 7,148.32, 10,710.62 and 5,057.96

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Solution

The fourth proportional to 7,148.32, 10,710.62 and 5,057.96 is: 7,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.32 : 10,710.62 = 5,057.96 : x
  2. Step 2: Convert to fraction form
    7,148.32/10,710.62 = 5,057.96/x
  3. Step 3: Cross multiply
    7,148.32x = 10,710.62 × 5,057.96
  4. Step 4: Simplify right side
    7,148.32x = 54,173,848.11
  5. Step 5: Solve for x
    x = 54,173,848.11/7,148.32
  6. Step 6: Final answer
    x = 7,578.55

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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.