Home / 3,258.10-4,495.71-1,860.76

Finding the Fourth Proportional to 3,258.10, 4,495.71 and 1,860.76

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Solution

The fourth proportional to 3,258.10, 4,495.71 and 1,860.76 is: 2,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.10 : 4,495.71 = 1,860.76 : x
  2. Step 2: Convert to fraction form
    3,258.10/4,495.71 = 1,860.76/x
  3. Step 3: Cross multiply
    3,258.10x = 4,495.71 × 1,860.76
  4. Step 4: Simplify right side
    3,258.10x = 8,365,437.34
  5. Step 5: Solve for x
    x = 8,365,437.34/3,258.10
  6. Step 6: Final answer
    x = 2,567.58

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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.