Home / 2,916.39-4,374.57-2,265.75

Finding the Fourth Proportional to 2,916.39, 4,374.57 and 2,265.75

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Solution

The fourth proportional to 2,916.39, 4,374.57 and 2,265.75 is: 3,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.39 : 4,374.57 = 2,265.75 : x
  2. Step 2: Convert to fraction form
    2,916.39/4,374.57 = 2,265.75/x
  3. Step 3: Cross multiply
    2,916.39x = 4,374.57 × 2,265.75
  4. Step 4: Simplify right side
    2,916.39x = 9,911,681.98
  5. Step 5: Solve for x
    x = 9,911,681.98/2,916.39
  6. Step 6: Final answer
    x = 3,398.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.