Home / 3,025.31-4,174.64-1,698.76

Finding the Fourth Proportional to 3,025.31, 4,174.64 and 1,698.76

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Solution

The fourth proportional to 3,025.31, 4,174.64 and 1,698.76 is: 2,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.31 : 4,174.64 = 1,698.76 : x
  2. Step 2: Convert to fraction form
    3,025.31/4,174.64 = 1,698.76/x
  3. Step 3: Cross multiply
    3,025.31x = 4,174.64 × 1,698.76
  4. Step 4: Simplify right side
    3,025.31x = 7,091,711.45
  5. Step 5: Solve for x
    x = 7,091,711.45/3,025.31
  6. Step 6: Final answer
    x = 2,344.13

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Half scale
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Double scale
Find fourth proportional to 3,026.31, 4,176.02 and 1,699.76
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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.