Home / 3,176.76-4,384.06-1,779.52

Finding the Fourth Proportional to 3,176.76, 4,384.06 and 1,779.52

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Solution

The fourth proportional to 3,176.76, 4,384.06 and 1,779.52 is: 2,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.76 : 4,384.06 = 1,779.52 : x
  2. Step 2: Convert to fraction form
    3,176.76/4,384.06 = 1,779.52/x
  3. Step 3: Cross multiply
    3,176.76x = 4,384.06 × 1,779.52
  4. Step 4: Simplify right side
    3,176.76x = 7,801,522.45
  5. Step 5: Solve for x
    x = 7,801,522.45/3,176.76
  6. Step 6: Final answer
    x = 2,455.81

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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.