Home / 3,437.65-5,157.33-972.46

Finding the Fourth Proportional to 3,437.65, 5,157.33 and 972.46

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Solution

The fourth proportional to 3,437.65, 5,157.33 and 972.46 is: 1,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.65 : 5,157.33 = 972.46 : x
  2. Step 2: Convert to fraction form
    3,437.65/5,157.33 = 972.46/x
  3. Step 3: Cross multiply
    3,437.65x = 5,157.33 × 972.46
  4. Step 4: Simplify right side
    3,437.65x = 5,015,297.13
  5. Step 5: Solve for x
    x = 5,015,297.13/3,437.65
  6. Step 6: Final answer
    x = 1,458.93

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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.