Home / 4,898.40-7,345.08-1,611.12

Finding the Fourth Proportional to 4,898.40, 7,345.08 and 1,611.12

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Solution

The fourth proportional to 4,898.40, 7,345.08 and 1,611.12 is: 2,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.40 : 7,345.08 = 1,611.12 : x
  2. Step 2: Convert to fraction form
    4,898.40/7,345.08 = 1,611.12/x
  3. Step 3: Cross multiply
    4,898.40x = 7,345.08 × 1,611.12
  4. Step 4: Simplify right side
    4,898.40x = 11,833,805.29
  5. Step 5: Solve for x
    x = 11,833,805.29/4,898.40
  6. Step 6: Final answer
    x = 2,415.85

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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.