Home / 5,539.58-7,642.36-3,385.01

Finding the Fourth Proportional to 5,539.58, 7,642.36 and 3,385.01

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Solution

The fourth proportional to 5,539.58, 7,642.36 and 3,385.01 is: 4,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.58 : 7,642.36 = 3,385.01 : x
  2. Step 2: Convert to fraction form
    5,539.58/7,642.36 = 3,385.01/x
  3. Step 3: Cross multiply
    5,539.58x = 7,642.36 × 3,385.01
  4. Step 4: Simplify right side
    5,539.58x = 25,869,435.85
  5. Step 5: Solve for x
    x = 25,869,435.85/5,539.58
  6. Step 6: Final answer
    x = 4,669.93

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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.