Home / 7,457.97-11,188.02-2,777.58

Finding the Fourth Proportional to 7,457.97, 11,188.02 and 2,777.58

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Solution

The fourth proportional to 7,457.97, 11,188.02 and 2,777.58 is: 4,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.97 : 11,188.02 = 2,777.58 : x
  2. Step 2: Convert to fraction form
    7,457.97/11,188.02 = 2,777.58/x
  3. Step 3: Cross multiply
    7,457.97x = 11,188.02 × 2,777.58
  4. Step 4: Simplify right side
    7,457.97x = 31,075,620.59
  5. Step 5: Solve for x
    x = 31,075,620.59/7,457.97
  6. Step 6: Final answer
    x = 4,166.77

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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.