Home / 2,984.16-4,118.26-1,657.86

Finding the Fourth Proportional to 2,984.16, 4,118.26 and 1,657.86

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Solution

The fourth proportional to 2,984.16, 4,118.26 and 1,657.86 is: 2,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.16 : 4,118.26 = 1,657.86 : x
  2. Step 2: Convert to fraction form
    2,984.16/4,118.26 = 1,657.86/x
  3. Step 3: Cross multiply
    2,984.16x = 4,118.26 × 1,657.86
  4. Step 4: Simplify right side
    2,984.16x = 6,827,498.52
  5. Step 5: Solve for x
    x = 6,827,498.52/2,984.16
  6. Step 6: Final answer
    x = 2,287.91

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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.