Home / 6,237.76-8,606.10-4,142.30

Finding the Fourth Proportional to 6,237.76, 8,606.10 and 4,142.30

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Solution

The fourth proportional to 6,237.76, 8,606.10 and 4,142.30 is: 5,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.76 : 8,606.10 = 4,142.30 : x
  2. Step 2: Convert to fraction form
    6,237.76/8,606.10 = 4,142.30/x
  3. Step 3: Cross multiply
    6,237.76x = 8,606.10 × 4,142.30
  4. Step 4: Simplify right side
    6,237.76x = 35,649,048.03
  5. Step 5: Solve for x
    x = 35,649,048.03/6,237.76
  6. Step 6: Final answer
    x = 5,715.04

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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.