Home / 7,558.61-11,338.01-2,878.62

Finding the Fourth Proportional to 7,558.61, 11,338.01 and 2,878.62

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Solution

The fourth proportional to 7,558.61, 11,338.01 and 2,878.62 is: 4,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.61 : 11,338.01 = 2,878.62 : x
  2. Step 2: Convert to fraction form
    7,558.61/11,338.01 = 2,878.62/x
  3. Step 3: Cross multiply
    7,558.61x = 11,338.01 × 2,878.62
  4. Step 4: Simplify right side
    7,558.61x = 32,637,807.95
  5. Step 5: Solve for x
    x = 32,637,807.95/7,558.61
  6. Step 6: Final answer
    x = 4,317.97

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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.