Home / 5,875.84-8,107.14-3,638.80

Finding the Fourth Proportional to 5,875.84, 8,107.14 and 3,638.80

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Solution

The fourth proportional to 5,875.84, 8,107.14 and 3,638.80 is: 5,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.84 : 8,107.14 = 3,638.80 : x
  2. Step 2: Convert to fraction form
    5,875.84/8,107.14 = 3,638.80/x
  3. Step 3: Cross multiply
    5,875.84x = 8,107.14 × 3,638.80
  4. Step 4: Simplify right side
    5,875.84x = 29,500,261.03
  5. Step 5: Solve for x
    x = 29,500,261.03/5,875.84
  6. Step 6: Final answer
    x = 5,020.60

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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.