Home / 4,550.51-6,281.75-3,431.90

Finding the Fourth Proportional to 4,550.51, 6,281.75 and 3,431.90

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Solution

The fourth proportional to 4,550.51, 6,281.75 and 3,431.90 is: 4,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.51 : 6,281.75 = 3,431.90 : x
  2. Step 2: Convert to fraction form
    4,550.51/6,281.75 = 3,431.90/x
  3. Step 3: Cross multiply
    4,550.51x = 6,281.75 × 3,431.90
  4. Step 4: Simplify right side
    4,550.51x = 21,558,362.11
  5. Step 5: Solve for x
    x = 21,558,362.11/4,550.51
  6. Step 6: Final answer
    x = 4,737.57

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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.