Home / 1,930.64-2,895.69-614.39

Finding the Fourth Proportional to 1,930.64, 2,895.69 and 614.39

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Solution

The fourth proportional to 1,930.64, 2,895.69 and 614.39 is: 921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.64 : 2,895.69 = 614.39 : x
  2. Step 2: Convert to fraction form
    1,930.64/2,895.69 = 614.39/x
  3. Step 3: Cross multiply
    1,930.64x = 2,895.69 × 614.39
  4. Step 4: Simplify right side
    1,930.64x = 1,779,077.06
  5. Step 5: Solve for x
    x = 1,779,077.06/1,930.64
  6. Step 6: Final answer
    x = 921.50

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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.