Home / 7,759.23-10,707.59-4,309.70

Finding the Fourth Proportional to 7,759.23, 10,707.59 and 4,309.70

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Solution

The fourth proportional to 7,759.23, 10,707.59 and 4,309.70 is: 5,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.23 : 10,707.59 = 4,309.70 : x
  2. Step 2: Convert to fraction form
    7,759.23/10,707.59 = 4,309.70/x
  3. Step 3: Cross multiply
    7,759.23x = 10,707.59 × 4,309.70
  4. Step 4: Simplify right side
    7,759.23x = 46,146,457.86
  5. Step 5: Solve for x
    x = 46,146,457.86/7,759.23
  6. Step 6: Final answer
    x = 5,947.30

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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.