Home / 3,110.53-4,292.40-1,783.32

Finding the Fourth Proportional to 3,110.53, 4,292.40 and 1,783.32

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Solution

The fourth proportional to 3,110.53, 4,292.40 and 1,783.32 is: 2,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.53 : 4,292.40 = 1,783.32 : x
  2. Step 2: Convert to fraction form
    3,110.53/4,292.40 = 1,783.32/x
  3. Step 3: Cross multiply
    3,110.53x = 4,292.40 × 1,783.32
  4. Step 4: Simplify right side
    3,110.53x = 7,654,722.77
  5. Step 5: Solve for x
    x = 7,654,722.77/3,110.53
  6. Step 6: Final answer
    x = 2,460.91

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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.