Home / 5,440.01-7,504.30-4,111.40

Finding the Fourth Proportional to 5,440.01, 7,504.30 and 4,111.40

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Solution

The fourth proportional to 5,440.01, 7,504.30 and 4,111.40 is: 5,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.01 : 7,504.30 = 4,111.40 : x
  2. Step 2: Convert to fraction form
    5,440.01/7,504.30 = 4,111.40/x
  3. Step 3: Cross multiply
    5,440.01x = 7,504.30 × 4,111.40
  4. Step 4: Simplify right side
    5,440.01x = 30,853,179.02
  5. Step 5: Solve for x
    x = 30,853,179.02/5,440.01
  6. Step 6: Final answer
    x = 5,671.53

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Half scale
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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.