Home / 5,970.11-8,955.20-3,780.36

Finding the Fourth Proportional to 5,970.11, 8,955.20 and 3,780.36

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Solution

The fourth proportional to 5,970.11, 8,955.20 and 3,780.36 is: 5,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.11 : 8,955.20 = 3,780.36 : x
  2. Step 2: Convert to fraction form
    5,970.11/8,955.20 = 3,780.36/x
  3. Step 3: Cross multiply
    5,970.11x = 8,955.20 × 3,780.36
  4. Step 4: Simplify right side
    5,970.11x = 33,853,889.32
  5. Step 5: Solve for x
    x = 33,853,889.32/5,970.11
  6. Step 6: Final answer
    x = 5,670.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.