Home / 7,742.21-10,680.81-4,596.57

Finding the Fourth Proportional to 7,742.21, 10,680.81 and 4,596.57

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Solution

The fourth proportional to 7,742.21, 10,680.81 and 4,596.57 is: 6,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.21 : 10,680.81 = 4,596.57 : x
  2. Step 2: Convert to fraction form
    7,742.21/10,680.81 = 4,596.57/x
  3. Step 3: Cross multiply
    7,742.21x = 10,680.81 × 4,596.57
  4. Step 4: Simplify right side
    7,742.21x = 49,095,090.82
  5. Step 5: Solve for x
    x = 49,095,090.82/7,742.21
  6. Step 6: Final answer
    x = 6,341.23

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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.