Home / 6,080.40-8,391.36-4,585.68

Finding the Fourth Proportional to 6,080.40, 8,391.36 and 4,585.68

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Solution

The fourth proportional to 6,080.40, 8,391.36 and 4,585.68 is: 6,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.40 : 8,391.36 = 4,585.68 : x
  2. Step 2: Convert to fraction form
    6,080.40/8,391.36 = 4,585.68/x
  3. Step 3: Cross multiply
    6,080.40x = 8,391.36 × 4,585.68
  4. Step 4: Simplify right side
    6,080.40x = 38,480,091.72
  5. Step 5: Solve for x
    x = 38,480,091.72/6,080.40
  6. Step 6: Final answer
    x = 6,328.55

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Half scale
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Double 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.