Home / 4,827.81-7,242.29-1,707.18

Finding the Fourth Proportional to 4,827.81, 7,242.29 and 1,707.18

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Solution

The fourth proportional to 4,827.81, 7,242.29 and 1,707.18 is: 2,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.81 : 7,242.29 = 1,707.18 : x
  2. Step 2: Convert to fraction form
    4,827.81/7,242.29 = 1,707.18/x
  3. Step 3: Cross multiply
    4,827.81x = 7,242.29 × 1,707.18
  4. Step 4: Simplify right side
    4,827.81x = 12,363,892.64
  5. Step 5: Solve for x
    x = 12,363,892.64/4,827.81
  6. Step 6: Final answer
    x = 2,560.97

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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.