Home / 5,386.84-7,434.66-3,029.80

Finding the Fourth Proportional to 5,386.84, 7,434.66 and 3,029.80

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Solution

The fourth proportional to 5,386.84, 7,434.66 and 3,029.80 is: 4,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.84 : 7,434.66 = 3,029.80 : x
  2. Step 2: Convert to fraction form
    5,386.84/7,434.66 = 3,029.80/x
  3. Step 3: Cross multiply
    5,386.84x = 7,434.66 × 3,029.80
  4. Step 4: Simplify right side
    5,386.84x = 22,525,532.87
  5. Step 5: Solve for x
    x = 22,525,532.87/5,386.84
  6. Step 6: Final answer
    x = 4,181.59

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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.