Home / 1,973.24-2,959.45-740.60

Finding the Fourth Proportional to 1,973.24, 2,959.45 and 740.60

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Solution

The fourth proportional to 1,973.24, 2,959.45 and 740.60 is: 1,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.24 : 2,959.45 = 740.60 : x
  2. Step 2: Convert to fraction form
    1,973.24/2,959.45 = 740.60/x
  3. Step 3: Cross multiply
    1,973.24x = 2,959.45 × 740.60
  4. Step 4: Simplify right side
    1,973.24x = 2,191,752.02
  5. Step 5: Solve for x
    x = 2,191,752.02/1,973.24
  6. Step 6: Final answer
    x = 1,110.74

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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.