Home / 7,739.48-10,680.59-4,382.22

Finding the Fourth Proportional to 7,739.48, 10,680.59 and 4,382.22

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Solution

The fourth proportional to 7,739.48, 10,680.59 and 4,382.22 is: 6,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.48 : 10,680.59 = 4,382.22 : x
  2. Step 2: Convert to fraction form
    7,739.48/10,680.59 = 4,382.22/x
  3. Step 3: Cross multiply
    7,739.48x = 10,680.59 × 4,382.22
  4. Step 4: Simplify right side
    7,739.48x = 46,804,746.12
  5. Step 5: Solve for x
    x = 46,804,746.12/7,739.48
  6. Step 6: Final answer
    x = 6,047.53

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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.