Home / 2,123.95-2,927.82-1,492.72

Finding the Fourth Proportional to 2,123.95, 2,927.82 and 1,492.72

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Solution

The fourth proportional to 2,123.95, 2,927.82 and 1,492.72 is: 2,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.95 : 2,927.82 = 1,492.72 : x
  2. Step 2: Convert to fraction form
    2,123.95/2,927.82 = 1,492.72/x
  3. Step 3: Cross multiply
    2,123.95x = 2,927.82 × 1,492.72
  4. Step 4: Simplify right side
    2,123.95x = 4,370,415.47
  5. Step 5: Solve for x
    x = 4,370,415.47/2,123.95
  6. Step 6: Final answer
    x = 2,057.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.