Home / 1,627.10-2,440.65-1,492.70

Finding the Fourth Proportional to 1,627.10, 2,440.65 and 1,492.70

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Solution

The fourth proportional to 1,627.10, 2,440.65 and 1,492.70 is: 2,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.10 : 2,440.65 = 1,492.70 : x
  2. Step 2: Convert to fraction form
    1,627.10/2,440.65 = 1,492.70/x
  3. Step 3: Cross multiply
    1,627.10x = 2,440.65 × 1,492.70
  4. Step 4: Simplify right side
    1,627.10x = 3,643,158.26
  5. Step 5: Solve for x
    x = 3,643,158.26/1,627.10
  6. Step 6: Final answer
    x = 2,239.05

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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.