Home / 3,356.67-5,036.70-1,507.40

Finding the Fourth Proportional to 3,356.67, 5,036.70 and 1,507.40

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Solution

The fourth proportional to 3,356.67, 5,036.70 and 1,507.40 is: 2,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.67 : 5,036.70 = 1,507.40 : x
  2. Step 2: Convert to fraction form
    3,356.67/5,036.70 = 1,507.40/x
  3. Step 3: Cross multiply
    3,356.67x = 5,036.70 × 1,507.40
  4. Step 4: Simplify right side
    3,356.67x = 7,592,339.82
  5. Step 5: Solve for x
    x = 7,592,339.82/3,356.67
  6. Step 6: Final answer
    x = 2,261.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.