Home / 7,738.48-10,684.66-4,758.32

Finding the Fourth Proportional to 7,738.48, 10,684.66 and 4,758.32

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Solution

The fourth proportional to 7,738.48, 10,684.66 and 4,758.32 is: 6,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.48 : 10,684.66 = 4,758.32 : x
  2. Step 2: Convert to fraction form
    7,738.48/10,684.66 = 4,758.32/x
  3. Step 3: Cross multiply
    7,738.48x = 10,684.66 × 4,758.32
  4. Step 4: Simplify right side
    7,738.48x = 50,841,031.37
  5. Step 5: Solve for x
    x = 50,841,031.37/7,738.48
  6. Step 6: Final answer
    x = 6,569.90

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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.