Home / 6,022.12-8,322.90-5,429.20

Finding the Fourth Proportional to 6,022.12, 8,322.90 and 5,429.20

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Solution

The fourth proportional to 6,022.12, 8,322.90 and 5,429.20 is: 7,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,022.12 : 8,322.90 = 5,429.20 : x
  2. Step 2: Convert to fraction form
    6,022.12/8,322.90 = 5,429.20/x
  3. Step 3: Cross multiply
    6,022.12x = 8,322.90 × 5,429.20
  4. Step 4: Simplify right side
    6,022.12x = 45,186,688.68
  5. Step 5: Solve for x
    x = 45,186,688.68/6,022.12
  6. Step 6: Final answer
    x = 7,503.45

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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.