Home / 1,724.85-2,380.05-1,026.24

Finding the Fourth Proportional to 1,724.85, 2,380.05 and 1,026.24

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Solution

The fourth proportional to 1,724.85, 2,380.05 and 1,026.24 is: 1,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.85 : 2,380.05 = 1,026.24 : x
  2. Step 2: Convert to fraction form
    1,724.85/2,380.05 = 1,026.24/x
  3. Step 3: Cross multiply
    1,724.85x = 2,380.05 × 1,026.24
  4. Step 4: Simplify right side
    1,724.85x = 2,442,502.51
  5. Step 5: Solve for x
    x = 2,442,502.51/1,724.85
  6. Step 6: Final answer
    x = 1,416.07

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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.