Home / 3,547.38-4,895.03-2,055.78

Finding the Fourth Proportional to 3,547.38, 4,895.03 and 2,055.78

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Solution

The fourth proportional to 3,547.38, 4,895.03 and 2,055.78 is: 2,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.38 : 4,895.03 = 2,055.78 : x
  2. Step 2: Convert to fraction form
    3,547.38/4,895.03 = 2,055.78/x
  3. Step 3: Cross multiply
    3,547.38x = 4,895.03 × 2,055.78
  4. Step 4: Simplify right side
    3,547.38x = 10,063,104.77
  5. Step 5: Solve for x
    x = 10,063,104.77/3,547.38
  6. Step 6: Final answer
    x = 2,836.77

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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.