Home / 1,925.83-2,657.23-1,227.34

Finding the Fourth Proportional to 1,925.83, 2,657.23 and 1,227.34

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Solution

The fourth proportional to 1,925.83, 2,657.23 and 1,227.34 is: 1,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.83 : 2,657.23 = 1,227.34 : x
  2. Step 2: Convert to fraction form
    1,925.83/2,657.23 = 1,227.34/x
  3. Step 3: Cross multiply
    1,925.83x = 2,657.23 × 1,227.34
  4. Step 4: Simplify right side
    1,925.83x = 3,261,324.67
  5. Step 5: Solve for x
    x = 3,261,324.67/1,925.83
  6. Step 6: Final answer
    x = 1,693.46

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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.