Home / 3,368.99-4,651.47-2,110.55

Finding the Fourth Proportional to 3,368.99, 4,651.47 and 2,110.55

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Solution

The fourth proportional to 3,368.99, 4,651.47 and 2,110.55 is: 2,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.99 : 4,651.47 = 2,110.55 : x
  2. Step 2: Convert to fraction form
    3,368.99/4,651.47 = 2,110.55/x
  3. Step 3: Cross multiply
    3,368.99x = 4,651.47 × 2,110.55
  4. Step 4: Simplify right side
    3,368.99x = 9,817,136.75
  5. Step 5: Solve for x
    x = 9,817,136.75/3,368.99
  6. Step 6: Final answer
    x = 2,913.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.