Home / 7,705.35-10,632.69-4,720.59

Finding the Fourth Proportional to 7,705.35, 10,632.69 and 4,720.59

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Solution

The fourth proportional to 7,705.35, 10,632.69 and 4,720.59 is: 6,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.35 : 10,632.69 = 4,720.59 : x
  2. Step 2: Convert to fraction form
    7,705.35/10,632.69 = 4,720.59/x
  3. Step 3: Cross multiply
    7,705.35x = 10,632.69 × 4,720.59
  4. Step 4: Simplify right side
    7,705.35x = 50,192,570.09
  5. Step 5: Solve for x
    x = 50,192,570.09/7,705.35
  6. Step 6: Final answer
    x = 6,513.99

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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.