Home / 1,724.02-2,380.53-1,199.14

Finding the Fourth Proportional to 1,724.02, 2,380.53 and 1,199.14

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Solution

The fourth proportional to 1,724.02, 2,380.53 and 1,199.14 is: 1,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.02 : 2,380.53 = 1,199.14 : x
  2. Step 2: Convert to fraction form
    1,724.02/2,380.53 = 1,199.14/x
  3. Step 3: Cross multiply
    1,724.02x = 2,380.53 × 1,199.14
  4. Step 4: Simplify right side
    1,724.02x = 2,854,588.74
  5. Step 5: Solve for x
    x = 2,854,588.74/1,724.02
  6. Step 6: Final answer
    x = 1,655.77

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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.