Home / 3,547.08-4,894.58-1,975

Finding the Fourth Proportional to 3,547.08, 4,894.58 and 1,975

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Solution

The fourth proportional to 3,547.08, 4,894.58 and 1,975 is: 2,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.08 : 4,894.58 = 1,975 : x
  2. Step 2: Convert to fraction form
    3,547.08/4,894.58 = 1,975/x
  3. Step 3: Cross multiply
    3,547.08x = 4,894.58 × 1,975
  4. Step 4: Simplify right side
    3,547.08x = 9,666,795.50
  5. Step 5: Solve for x
    x = 9,666,795.50/3,547.08
  6. Step 6: Final answer
    x = 2,725.28

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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.