Home / 5,141.88-7,107.75-4,587.84

Finding the Fourth Proportional to 5,141.88, 7,107.75 and 4,587.84

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Solution

The fourth proportional to 5,141.88, 7,107.75 and 4,587.84 is: 6,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.88 : 7,107.75 = 4,587.84 : x
  2. Step 2: Convert to fraction form
    5,141.88/7,107.75 = 4,587.84/x
  3. Step 3: Cross multiply
    5,141.88x = 7,107.75 × 4,587.84
  4. Step 4: Simplify right side
    5,141.88x = 32,609,219.76
  5. Step 5: Solve for x
    x = 32,609,219.76/5,141.88
  6. Step 6: Final answer
    x = 6,341.89

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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.