Home / 5,065.45-7,599.30-1,555.95

Finding the Fourth Proportional to 5,065.45, 7,599.30 and 1,555.95

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Solution

The fourth proportional to 5,065.45, 7,599.30 and 1,555.95 is: 2,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.45 : 7,599.30 = 1,555.95 : x
  2. Step 2: Convert to fraction form
    5,065.45/7,599.30 = 1,555.95/x
  3. Step 3: Cross multiply
    5,065.45x = 7,599.30 × 1,555.95
  4. Step 4: Simplify right side
    5,065.45x = 11,824,130.84
  5. Step 5: Solve for x
    x = 11,824,130.84/5,065.45
  6. Step 6: Final answer
    x = 2,334.27

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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.