Home / 1,492.16-2,059.40-1,073.90

Finding the Fourth Proportional to 1,492.16, 2,059.40 and 1,073.90

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Solution

The fourth proportional to 1,492.16, 2,059.40 and 1,073.90 is: 1,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.16 : 2,059.40 = 1,073.90 : x
  2. Step 2: Convert to fraction form
    1,492.16/2,059.40 = 1,073.90/x
  3. Step 3: Cross multiply
    1,492.16x = 2,059.40 × 1,073.90
  4. Step 4: Simplify right side
    1,492.16x = 2,211,589.66
  5. Step 5: Solve for x
    x = 2,211,589.66/1,492.16
  6. Step 6: Final answer
    x = 1,482.14

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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.