Home / 3,376.61-4,665.42-2,430.53

Finding the Fourth Proportional to 3,376.61, 4,665.42 and 2,430.53

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Solution

The fourth proportional to 3,376.61, 4,665.42 and 2,430.53 is: 3,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.61 : 4,665.42 = 2,430.53 : x
  2. Step 2: Convert to fraction form
    3,376.61/4,665.42 = 2,430.53/x
  3. Step 3: Cross multiply
    3,376.61x = 4,665.42 × 2,430.53
  4. Step 4: Simplify right side
    3,376.61x = 11,339,419.95
  5. Step 5: Solve for x
    x = 11,339,419.95/3,376.61
  6. Step 6: Final answer
    x = 3,358.23

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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.