Home / 7,827.84-10,802.42-4,291.38

Finding the Fourth Proportional to 7,827.84, 10,802.42 and 4,291.38

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Solution

The fourth proportional to 7,827.84, 10,802.42 and 4,291.38 is: 5,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.84 : 10,802.42 = 4,291.38 : x
  2. Step 2: Convert to fraction form
    7,827.84/10,802.42 = 4,291.38/x
  3. Step 3: Cross multiply
    7,827.84x = 10,802.42 × 4,291.38
  4. Step 4: Simplify right side
    7,827.84x = 46,357,289.14
  5. Step 5: Solve for x
    x = 46,357,289.14/7,827.84
  6. Step 6: Final answer
    x = 5,922.10

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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.