Home / 4,985.48-6,880.92-2,862.26

Finding the Fourth Proportional to 4,985.48, 6,880.92 and 2,862.26

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Solution

The fourth proportional to 4,985.48, 6,880.92 and 2,862.26 is: 3,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.48 : 6,880.92 = 2,862.26 : x
  2. Step 2: Convert to fraction form
    4,985.48/6,880.92 = 2,862.26/x
  3. Step 3: Cross multiply
    4,985.48x = 6,880.92 × 2,862.26
  4. Step 4: Simplify right side
    4,985.48x = 19,694,947.67
  5. Step 5: Solve for x
    x = 19,694,947.67/4,985.48
  6. Step 6: Final answer
    x = 3,950.47

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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.