Home / 1,842.18-2,542.35-1,056.24

Finding the Fourth Proportional to 1,842.18, 2,542.35 and 1,056.24

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Solution

The fourth proportional to 1,842.18, 2,542.35 and 1,056.24 is: 1,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.18 : 2,542.35 = 1,056.24 : x
  2. Step 2: Convert to fraction form
    1,842.18/2,542.35 = 1,056.24/x
  3. Step 3: Cross multiply
    1,842.18x = 2,542.35 × 1,056.24
  4. Step 4: Simplify right side
    1,842.18x = 2,685,331.76
  5. Step 5: Solve for x
    x = 2,685,331.76/1,842.18
  6. Step 6: Final answer
    x = 1,457.69

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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.