Home / 5,787.36-8,685.90-3,015

Finding the Fourth Proportional to 5,787.36, 8,685.90 and 3,015

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Solution

The fourth proportional to 5,787.36, 8,685.90 and 3,015 is: 4,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.36 : 8,685.90 = 3,015 : x
  2. Step 2: Convert to fraction form
    5,787.36/8,685.90 = 3,015/x
  3. Step 3: Cross multiply
    5,787.36x = 8,685.90 × 3,015
  4. Step 4: Simplify right side
    5,787.36x = 26,187,988.50
  5. Step 5: Solve for x
    x = 26,187,988.50/5,787.36
  6. Step 6: Final answer
    x = 4,525.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.