Home / 4,688.74-7,030.99-1,764.97

Finding the Fourth Proportional to 4,688.74, 7,030.99 and 1,764.97

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Solution

The fourth proportional to 4,688.74, 7,030.99 and 1,764.97 is: 2,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.74 : 7,030.99 = 1,764.97 : x
  2. Step 2: Convert to fraction form
    4,688.74/7,030.99 = 1,764.97/x
  3. Step 3: Cross multiply
    4,688.74x = 7,030.99 × 1,764.97
  4. Step 4: Simplify right side
    4,688.74x = 12,409,486.42
  5. Step 5: Solve for x
    x = 12,409,486.42/4,688.74
  6. Step 6: Final answer
    x = 2,646.66

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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.