Home / 2,403.95-3,317.77-1,409.62

Finding the Fourth Proportional to 2,403.95, 3,317.77 and 1,409.62

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Solution

The fourth proportional to 2,403.95, 3,317.77 and 1,409.62 is: 1,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.95 : 3,317.77 = 1,409.62 : x
  2. Step 2: Convert to fraction form
    2,403.95/3,317.77 = 1,409.62/x
  3. Step 3: Cross multiply
    2,403.95x = 3,317.77 × 1,409.62
  4. Step 4: Simplify right side
    2,403.95x = 4,676,794.95
  5. Step 5: Solve for x
    x = 4,676,794.95/2,403.95
  6. Step 6: Final answer
    x = 1,945.47

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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.