Home / 6,423.99-8,862.59-4,032.56

Finding the Fourth Proportional to 6,423.99, 8,862.59 and 4,032.56

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Solution

The fourth proportional to 6,423.99, 8,862.59 and 4,032.56 is: 5,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.99 : 8,862.59 = 4,032.56 : x
  2. Step 2: Convert to fraction form
    6,423.99/8,862.59 = 4,032.56/x
  3. Step 3: Cross multiply
    6,423.99x = 8,862.59 × 4,032.56
  4. Step 4: Simplify right side
    6,423.99x = 35,738,958.17
  5. Step 5: Solve for x
    x = 35,738,958.17/6,423.99
  6. Step 6: Final answer
    x = 5,563.36

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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.