Home / 5,310.80-7,956.60-4,696.40

Finding the Fourth Proportional to 5,310.80, 7,956.60 and 4,696.40

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Solution

The fourth proportional to 5,310.80, 7,956.60 and 4,696.40 is: 7,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.80 : 7,956.60 = 4,696.40 : x
  2. Step 2: Convert to fraction form
    5,310.80/7,956.60 = 4,696.40/x
  3. Step 3: Cross multiply
    5,310.80x = 7,956.60 × 4,696.40
  4. Step 4: Simplify right side
    5,310.80x = 37,367,376.24
  5. Step 5: Solve for x
    x = 37,367,376.24/5,310.80
  6. Step 6: Final answer
    x = 7,036.11

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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.