Home / 1,666.06-2,491.80-1,612.60

Finding the Fourth Proportional to 1,666.06, 2,491.80 and 1,612.60

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Solution

The fourth proportional to 1,666.06, 2,491.80 and 1,612.60 is: 2,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.06 : 2,491.80 = 1,612.60 : x
  2. Step 2: Convert to fraction form
    1,666.06/2,491.80 = 1,612.60/x
  3. Step 3: Cross multiply
    1,666.06x = 2,491.80 × 1,612.60
  4. Step 4: Simplify right side
    1,666.06x = 4,018,276.68
  5. Step 5: Solve for x
    x = 4,018,276.68/1,666.06
  6. Step 6: Final answer
    x = 2,411.84

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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.