Home / 3,176.98-4,384.25-1,851.60

Finding the Fourth Proportional to 3,176.98, 4,384.25 and 1,851.60

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Solution

The fourth proportional to 3,176.98, 4,384.25 and 1,851.60 is: 2,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.98 : 4,384.25 = 1,851.60 : x
  2. Step 2: Convert to fraction form
    3,176.98/4,384.25 = 1,851.60/x
  3. Step 3: Cross multiply
    3,176.98x = 4,384.25 × 1,851.60
  4. Step 4: Simplify right side
    3,176.98x = 8,117,877.30
  5. Step 5: Solve for x
    x = 8,117,877.30/3,176.98
  6. Step 6: Final answer
    x = 2,555.22

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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.