Home / 4,128.04-5,697.09-2,359.31

Finding the Fourth Proportional to 4,128.04, 5,697.09 and 2,359.31

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Solution

The fourth proportional to 4,128.04, 5,697.09 and 2,359.31 is: 3,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.04 : 5,697.09 = 2,359.31 : x
  2. Step 2: Convert to fraction form
    4,128.04/5,697.09 = 2,359.31/x
  3. Step 3: Cross multiply
    4,128.04x = 5,697.09 × 2,359.31
  4. Step 4: Simplify right side
    4,128.04x = 13,441,201.41
  5. Step 5: Solve for x
    x = 13,441,201.41/4,128.04
  6. Step 6: Final answer
    x = 3,256.07

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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.