Home / 5,370.70-7,417.19-3,696.43

Finding the Fourth Proportional to 5,370.70, 7,417.19 and 3,696.43

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Solution

The fourth proportional to 5,370.70, 7,417.19 and 3,696.43 is: 5,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.70 : 7,417.19 = 3,696.43 : x
  2. Step 2: Convert to fraction form
    5,370.70/7,417.19 = 3,696.43/x
  3. Step 3: Cross multiply
    5,370.70x = 7,417.19 × 3,696.43
  4. Step 4: Simplify right side
    5,370.70x = 27,417,068.06
  5. Step 5: Solve for x
    x = 27,417,068.06/5,370.70
  6. Step 6: Final answer
    x = 5,104.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.