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Finding the Fourth Proportional to 4,495.95, 6,741 and 2,155.91

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Solution

The fourth proportional to 4,495.95, 6,741 and 2,155.91 is: 3,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,495.95 : 6,741 = 2,155.91 : x
  2. Step 2: Convert to fraction form
    4,495.95/6,741 = 2,155.91/x
  3. Step 3: Cross multiply
    4,495.95x = 6,741 × 2,155.91
  4. Step 4: Simplify right side
    4,495.95x = 14,532,955.61
  5. Step 5: Solve for x
    x = 14,532,955.61/4,495.95
  6. Step 6: Final answer
    x = 3,232.45

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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.