Home / 4,951.07-7,421.48-1,663.05

Finding the Fourth Proportional to 4,951.07, 7,421.48 and 1,663.05

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Solution

The fourth proportional to 4,951.07, 7,421.48 and 1,663.05 is: 2,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.07 : 7,421.48 = 1,663.05 : x
  2. Step 2: Convert to fraction form
    4,951.07/7,421.48 = 1,663.05/x
  3. Step 3: Cross multiply
    4,951.07x = 7,421.48 × 1,663.05
  4. Step 4: Simplify right side
    4,951.07x = 12,342,284.00
  5. Step 5: Solve for x
    x = 12,342,284.00/4,951.07
  6. Step 6: Final answer
    x = 2,492.85

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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.