Home / 4,970.91-7,454.61-3,580.05

Finding the Fourth Proportional to 4,970.91, 7,454.61 and 3,580.05

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Solution

The fourth proportional to 4,970.91, 7,454.61 and 3,580.05 is: 5,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.91 : 7,454.61 = 3,580.05 : x
  2. Step 2: Convert to fraction form
    4,970.91/7,454.61 = 3,580.05/x
  3. Step 3: Cross multiply
    4,970.91x = 7,454.61 × 3,580.05
  4. Step 4: Simplify right side
    4,970.91x = 26,687,876.53
  5. Step 5: Solve for x
    x = 26,687,876.53/4,970.91
  6. Step 6: Final answer
    x = 5,368.81

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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.