Home / 2,424.75-3,346.29-1,430.61

Finding the Fourth Proportional to 2,424.75, 3,346.29 and 1,430.61

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Solution

The fourth proportional to 2,424.75, 3,346.29 and 1,430.61 is: 1,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.75 : 3,346.29 = 1,430.61 : x
  2. Step 2: Convert to fraction form
    2,424.75/3,346.29 = 1,430.61/x
  3. Step 3: Cross multiply
    2,424.75x = 3,346.29 × 1,430.61
  4. Step 4: Simplify right side
    2,424.75x = 4,787,235.94
  5. Step 5: Solve for x
    x = 4,787,235.94/2,424.75
  6. Step 6: Final answer
    x = 1,974.32

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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.