Home / 4,909.08-7,364.30-1,788.63

Finding the Fourth Proportional to 4,909.08, 7,364.30 and 1,788.63

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Solution

The fourth proportional to 4,909.08, 7,364.30 and 1,788.63 is: 2,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.08 : 7,364.30 = 1,788.63 : x
  2. Step 2: Convert to fraction form
    4,909.08/7,364.30 = 1,788.63/x
  3. Step 3: Cross multiply
    4,909.08x = 7,364.30 × 1,788.63
  4. Step 4: Simplify right side
    4,909.08x = 13,172,007.91
  5. Step 5: Solve for x
    x = 13,172,007.91/4,909.08
  6. Step 6: Final answer
    x = 2,683.19

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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.