Home / 1,934.18-2,884.27-1,916.63

Finding the Fourth Proportional to 1,934.18, 2,884.27 and 1,916.63

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Solution

The fourth proportional to 1,934.18, 2,884.27 and 1,916.63 is: 2,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.18 : 2,884.27 = 1,916.63 : x
  2. Step 2: Convert to fraction form
    1,934.18/2,884.27 = 1,916.63/x
  3. Step 3: Cross multiply
    1,934.18x = 2,884.27 × 1,916.63
  4. Step 4: Simplify right side
    1,934.18x = 5,528,059.20
  5. Step 5: Solve for x
    x = 5,528,059.20/1,934.18
  6. Step 6: Final answer
    x = 2,858.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.