Home / 1,970.08-2,713.20-1,759.36

Finding the Fourth Proportional to 1,970.08, 2,713.20 and 1,759.36

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Solution

The fourth proportional to 1,970.08, 2,713.20 and 1,759.36 is: 2,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.08 : 2,713.20 = 1,759.36 : x
  2. Step 2: Convert to fraction form
    1,970.08/2,713.20 = 1,759.36/x
  3. Step 3: Cross multiply
    1,970.08x = 2,713.20 × 1,759.36
  4. Step 4: Simplify right side
    1,970.08x = 4,773,495.55
  5. Step 5: Solve for x
    x = 4,773,495.55/1,970.08
  6. Step 6: Final answer
    x = 2,423.00

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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.