Home / 3,460.38-4,775.28-1,888.47

Finding the Fourth Proportional to 3,460.38, 4,775.28 and 1,888.47

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Solution

The fourth proportional to 3,460.38, 4,775.28 and 1,888.47 is: 2,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.38 : 4,775.28 = 1,888.47 : x
  2. Step 2: Convert to fraction form
    3,460.38/4,775.28 = 1,888.47/x
  3. Step 3: Cross multiply
    3,460.38x = 4,775.28 × 1,888.47
  4. Step 4: Simplify right side
    3,460.38x = 9,017,973.02
  5. Step 5: Solve for x
    x = 9,017,973.02/3,460.38
  6. Step 6: Final answer
    x = 2,606.06

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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.