Home / 5,437.90-8,141.40-3,583.42

Finding the Fourth Proportional to 5,437.90, 8,141.40 and 3,583.42

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Solution

The fourth proportional to 5,437.90, 8,141.40 and 3,583.42 is: 5,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.90 : 8,141.40 = 3,583.42 : x
  2. Step 2: Convert to fraction form
    5,437.90/8,141.40 = 3,583.42/x
  3. Step 3: Cross multiply
    5,437.90x = 8,141.40 × 3,583.42
  4. Step 4: Simplify right side
    5,437.90x = 29,174,055.59
  5. Step 5: Solve for x
    x = 29,174,055.59/5,437.90
  6. Step 6: Final answer
    x = 5,364.95

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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.