Home / 6,180.90-8,529.63-3,386.34

Finding the Fourth Proportional to 6,180.90, 8,529.63 and 3,386.34

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Solution

The fourth proportional to 6,180.90, 8,529.63 and 3,386.34 is: 4,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.90 : 8,529.63 = 3,386.34 : x
  2. Step 2: Convert to fraction form
    6,180.90/8,529.63 = 3,386.34/x
  3. Step 3: Cross multiply
    6,180.90x = 8,529.63 × 3,386.34
  4. Step 4: Simplify right side
    6,180.90x = 28,884,227.25
  5. Step 5: Solve for x
    x = 28,884,227.25/6,180.90
  6. Step 6: Final answer
    x = 4,673.14

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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.