Home / 4,647.10-6,401.16-4,340.92

Finding the Fourth Proportional to 4,647.10, 6,401.16 and 4,340.92

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Solution

The fourth proportional to 4,647.10, 6,401.16 and 4,340.92 is: 5,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.10 : 6,401.16 = 4,340.92 : x
  2. Step 2: Convert to fraction form
    4,647.10/6,401.16 = 4,340.92/x
  3. Step 3: Cross multiply
    4,647.10x = 6,401.16 × 4,340.92
  4. Step 4: Simplify right side
    4,647.10x = 27,786,923.47
  5. Step 5: Solve for x
    x = 27,786,923.47/4,647.10
  6. Step 6: Final answer
    x = 5,979.41

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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.