Home / 7,742.88-10,684.32-4,598.56

Finding the Fourth Proportional to 7,742.88, 10,684.32 and 4,598.56

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Solution

The fourth proportional to 7,742.88, 10,684.32 and 4,598.56 is: 6,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.88 : 10,684.32 = 4,598.56 : x
  2. Step 2: Convert to fraction form
    7,742.88/10,684.32 = 4,598.56/x
  3. Step 3: Cross multiply
    7,742.88x = 10,684.32 × 4,598.56
  4. Step 4: Simplify right side
    7,742.88x = 49,132,486.58
  5. Step 5: Solve for x
    x = 49,132,486.58/7,742.88
  6. Step 6: Final answer
    x = 6,345.51

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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.