Home / 6,320.51-8,722.33-3,487.97

Finding the Fourth Proportional to 6,320.51, 8,722.33 and 3,487.97

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Solution

The fourth proportional to 6,320.51, 8,722.33 and 3,487.97 is: 4,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.51 : 8,722.33 = 3,487.97 : x
  2. Step 2: Convert to fraction form
    6,320.51/8,722.33 = 3,487.97/x
  3. Step 3: Cross multiply
    6,320.51x = 8,722.33 × 3,487.97
  4. Step 4: Simplify right side
    6,320.51x = 30,423,225.37
  5. Step 5: Solve for x
    x = 30,423,225.37/6,320.51
  6. Step 6: Final answer
    x = 4,813.41

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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.