Home / 4,898.96-7,374.59-4,220.76

Finding the Fourth Proportional to 4,898.96, 7,374.59 and 4,220.76

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Solution

The fourth proportional to 4,898.96, 7,374.59 and 4,220.76 is: 6,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.96 : 7,374.59 = 4,220.76 : x
  2. Step 2: Convert to fraction form
    4,898.96/7,374.59 = 4,220.76/x
  3. Step 3: Cross multiply
    4,898.96x = 7,374.59 × 4,220.76
  4. Step 4: Simplify right side
    4,898.96x = 31,126,379.13
  5. Step 5: Solve for x
    x = 31,126,379.13/4,898.96
  6. Step 6: Final answer
    x = 6,353.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.