Home / 4,322.92-5,966.40-3,389.80

Finding the Fourth Proportional to 4,322.92, 5,966.40 and 3,389.80

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Solution

The fourth proportional to 4,322.92, 5,966.40 and 3,389.80 is: 4,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.92 : 5,966.40 = 3,389.80 : x
  2. Step 2: Convert to fraction form
    4,322.92/5,966.40 = 3,389.80/x
  3. Step 3: Cross multiply
    4,322.92x = 5,966.40 × 3,389.80
  4. Step 4: Simplify right side
    4,322.92x = 20,224,900.52
  5. Step 5: Solve for x
    x = 20,224,900.52/4,322.92
  6. Step 6: Final answer
    x = 4,678.53

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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.