Home / 1,712.49-2,363.22-926.53

Finding the Fourth Proportional to 1,712.49, 2,363.22 and 926.53

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Solution

The fourth proportional to 1,712.49, 2,363.22 and 926.53 is: 1,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.49 : 2,363.22 = 926.53 : x
  2. Step 2: Convert to fraction form
    1,712.49/2,363.22 = 926.53/x
  3. Step 3: Cross multiply
    1,712.49x = 2,363.22 × 926.53
  4. Step 4: Simplify right side
    1,712.49x = 2,189,594.23
  5. Step 5: Solve for x
    x = 2,189,594.23/1,712.49
  6. Step 6: Final answer
    x = 1,278.60

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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.