Home / 4,655.87-6,424.81-2,665.97

Finding the Fourth Proportional to 4,655.87, 6,424.81 and 2,665.97

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Solution

The fourth proportional to 4,655.87, 6,424.81 and 2,665.97 is: 3,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.87 : 6,424.81 = 2,665.97 : x
  2. Step 2: Convert to fraction form
    4,655.87/6,424.81 = 2,665.97/x
  3. Step 3: Cross multiply
    4,655.87x = 6,424.81 × 2,665.97
  4. Step 4: Simplify right side
    4,655.87x = 17,128,311.93
  5. Step 5: Solve for x
    x = 17,128,311.93/4,655.87
  6. Step 6: Final answer
    x = 3,678.87

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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.