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Finding the Fourth Proportional to 3,798.55, 5,246.94 and 2,925.10

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Solution

The fourth proportional to 3,798.55, 5,246.94 and 2,925.10 is: 4,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.55 : 5,246.94 = 2,925.10 : x
  2. Step 2: Convert to fraction form
    3,798.55/5,246.94 = 2,925.10/x
  3. Step 3: Cross multiply
    3,798.55x = 5,246.94 × 2,925.10
  4. Step 4: Simplify right side
    3,798.55x = 15,347,824.19
  5. Step 5: Solve for x
    x = 15,347,824.19/3,798.55
  6. Step 6: Final answer
    x = 4,040.44

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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.