Home / 5,336.50-7,364.57-2,979.10

Finding the Fourth Proportional to 5,336.50, 7,364.57 and 2,979.10

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Solution

The fourth proportional to 5,336.50, 7,364.57 and 2,979.10 is: 4,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.50 : 7,364.57 = 2,979.10 : x
  2. Step 2: Convert to fraction form
    5,336.50/7,364.57 = 2,979.10/x
  3. Step 3: Cross multiply
    5,336.50x = 7,364.57 × 2,979.10
  4. Step 4: Simplify right side
    5,336.50x = 21,939,753.66
  5. Step 5: Solve for x
    x = 21,939,753.66/5,336.50
  6. Step 6: Final answer
    x = 4,111.26

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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.