Home / 1,664.46-2,298.12-1,035.28

Finding the Fourth Proportional to 1,664.46, 2,298.12 and 1,035.28

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Solution

The fourth proportional to 1,664.46, 2,298.12 and 1,035.28 is: 1,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.46 : 2,298.12 = 1,035.28 : x
  2. Step 2: Convert to fraction form
    1,664.46/2,298.12 = 1,035.28/x
  3. Step 3: Cross multiply
    1,664.46x = 2,298.12 × 1,035.28
  4. Step 4: Simplify right side
    1,664.46x = 2,379,197.67
  5. Step 5: Solve for x
    x = 2,379,197.67/1,664.46
  6. Step 6: Final answer
    x = 1,429.41

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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.