Home / 2,355.37-3,248.80-1,470.85

Finding the Fourth Proportional to 2,355.37, 3,248.80 and 1,470.85

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Solution

The fourth proportional to 2,355.37, 3,248.80 and 1,470.85 is: 2,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.37 : 3,248.80 = 1,470.85 : x
  2. Step 2: Convert to fraction form
    2,355.37/3,248.80 = 1,470.85/x
  3. Step 3: Cross multiply
    2,355.37x = 3,248.80 × 1,470.85
  4. Step 4: Simplify right side
    2,355.37x = 4,778,497.48
  5. Step 5: Solve for x
    x = 4,778,497.48/2,355.37
  6. Step 6: Final answer
    x = 2,028.77

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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.