Home / 4,826.90-7,240.86-1,540.13

Finding the Fourth Proportional to 4,826.90, 7,240.86 and 1,540.13

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Solution

The fourth proportional to 4,826.90, 7,240.86 and 1,540.13 is: 2,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.90 : 7,240.86 = 1,540.13 : x
  2. Step 2: Convert to fraction form
    4,826.90/7,240.86 = 1,540.13/x
  3. Step 3: Cross multiply
    4,826.90x = 7,240.86 × 1,540.13
  4. Step 4: Simplify right side
    4,826.90x = 11,151,829.51
  5. Step 5: Solve for x
    x = 11,151,829.51/4,826.90
  6. Step 6: Final answer
    x = 2,310.35

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1.5x scale

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.