Home / 6,170.24-9,255.36-1,787.70

Finding the Fourth Proportional to 6,170.24, 9,255.36 and 1,787.70

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Solution

The fourth proportional to 6,170.24, 9,255.36 and 1,787.70 is: 2,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.24 : 9,255.36 = 1,787.70 : x
  2. Step 2: Convert to fraction form
    6,170.24/9,255.36 = 1,787.70/x
  3. Step 3: Cross multiply
    6,170.24x = 9,255.36 × 1,787.70
  4. Step 4: Simplify right side
    6,170.24x = 16,545,807.07
  5. Step 5: Solve for x
    x = 16,545,807.07/6,170.24
  6. Step 6: Final answer
    x = 2,681.55

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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.