Home / 3,315.33-4,973.10-1,124.08

Finding the Fourth Proportional to 3,315.33, 4,973.10 and 1,124.08

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Solution

The fourth proportional to 3,315.33, 4,973.10 and 1,124.08 is: 1,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.33 : 4,973.10 = 1,124.08 : x
  2. Step 2: Convert to fraction form
    3,315.33/4,973.10 = 1,124.08/x
  3. Step 3: Cross multiply
    3,315.33x = 4,973.10 × 1,124.08
  4. Step 4: Simplify right side
    3,315.33x = 5,590,145.60
  5. Step 5: Solve for x
    x = 5,590,145.60/3,315.33
  6. Step 6: Final answer
    x = 1,686.15

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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.