Home / 3,547.84-5,342.40-2,629.92

Finding the Fourth Proportional to 3,547.84, 5,342.40 and 2,629.92

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Solution

The fourth proportional to 3,547.84, 5,342.40 and 2,629.92 is: 3,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.84 : 5,342.40 = 2,629.92 : x
  2. Step 2: Convert to fraction form
    3,547.84/5,342.40 = 2,629.92/x
  3. Step 3: Cross multiply
    3,547.84x = 5,342.40 × 2,629.92
  4. Step 4: Simplify right side
    3,547.84x = 14,050,084.61
  5. Step 5: Solve for x
    x = 14,050,084.61/3,547.84
  6. Step 6: Final answer
    x = 3,960.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.