Home / 3,363.51-4,641.65-1,871.57

Finding the Fourth Proportional to 3,363.51, 4,641.65 and 1,871.57

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Solution

The fourth proportional to 3,363.51, 4,641.65 and 1,871.57 is: 2,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.51 : 4,641.65 = 1,871.57 : x
  2. Step 2: Convert to fraction form
    3,363.51/4,641.65 = 1,871.57/x
  3. Step 3: Cross multiply
    3,363.51x = 4,641.65 × 1,871.57
  4. Step 4: Simplify right side
    3,363.51x = 8,687,172.89
  5. Step 5: Solve for x
    x = 8,687,172.89/3,363.51
  6. Step 6: Final answer
    x = 2,582.77

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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.