Home / 4,878.90-7,318.32-1,592.00

Finding the Fourth Proportional to 4,878.90, 7,318.32 and 1,592.00

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Solution

The fourth proportional to 4,878.90, 7,318.32 and 1,592.00 is: 2,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.90 : 7,318.32 = 1,592.00 : x
  2. Step 2: Convert to fraction form
    4,878.90/7,318.32 = 1,592.00/x
  3. Step 3: Cross multiply
    4,878.90x = 7,318.32 × 1,592.00
  4. Step 4: Simplify right side
    4,878.90x = 11,650,728.85
  5. Step 5: Solve for x
    x = 11,650,728.85/4,878.90
  6. Step 6: Final answer
    x = 2,387.98

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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.