Home / 5,386.80-7,437.24-4,855.44

Finding the Fourth Proportional to 5,386.80, 7,437.24 and 4,855.44

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Solution

The fourth proportional to 5,386.80, 7,437.24 and 4,855.44 is: 6,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.80 : 7,437.24 = 4,855.44 : x
  2. Step 2: Convert to fraction form
    5,386.80/7,437.24 = 4,855.44/x
  3. Step 3: Cross multiply
    5,386.80x = 7,437.24 × 4,855.44
  4. Step 4: Simplify right side
    5,386.80x = 36,111,072.59
  5. Step 5: Solve for x
    x = 36,111,072.59/5,386.80
  6. Step 6: Final answer
    x = 6,703.62

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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.