Home / 4,654.23-6,424.33-2,980.15

Finding the Fourth Proportional to 4,654.23, 6,424.33 and 2,980.15

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Solution

The fourth proportional to 4,654.23, 6,424.33 and 2,980.15 is: 4,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.23 : 6,424.33 = 2,980.15 : x
  2. Step 2: Convert to fraction form
    4,654.23/6,424.33 = 2,980.15/x
  3. Step 3: Cross multiply
    4,654.23x = 6,424.33 × 2,980.15
  4. Step 4: Simplify right side
    4,654.23x = 19,145,438.65
  5. Step 5: Solve for x
    x = 19,145,438.65/4,654.23
  6. Step 6: Final answer
    x = 4,113.56

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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.