Home / 3,019.96-4,167.76-1,675.64

Finding the Fourth Proportional to 3,019.96, 4,167.76 and 1,675.64

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Solution

The fourth proportional to 3,019.96, 4,167.76 and 1,675.64 is: 2,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.96 : 4,167.76 = 1,675.64 : x
  2. Step 2: Convert to fraction form
    3,019.96/4,167.76 = 1,675.64/x
  3. Step 3: Cross multiply
    3,019.96x = 4,167.76 × 1,675.64
  4. Step 4: Simplify right side
    3,019.96x = 6,983,644.53
  5. Step 5: Solve for x
    x = 6,983,644.53/3,019.96
  6. Step 6: Final answer
    x = 2,312.50

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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.