Home / 5,338.41-7,342.40-4,674.11

Finding the Fourth Proportional to 5,338.41, 7,342.40 and 4,674.11

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Solution

The fourth proportional to 5,338.41, 7,342.40 and 4,674.11 is: 6,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.41 : 7,342.40 = 4,674.11 : x
  2. Step 2: Convert to fraction form
    5,338.41/7,342.40 = 4,674.11/x
  3. Step 3: Cross multiply
    5,338.41x = 7,342.40 × 4,674.11
  4. Step 4: Simplify right side
    5,338.41x = 34,319,133.95
  5. Step 5: Solve for x
    x = 34,319,133.95/5,338.41
  6. Step 6: Final answer
    x = 6,428.72

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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.