Home / 7,274.02-10,911.06-2,891.49

Finding the Fourth Proportional to 7,274.02, 10,911.06 and 2,891.49

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Solution

The fourth proportional to 7,274.02, 10,911.06 and 2,891.49 is: 4,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.02 : 10,911.06 = 2,891.49 : x
  2. Step 2: Convert to fraction form
    7,274.02/10,911.06 = 2,891.49/x
  3. Step 3: Cross multiply
    7,274.02x = 10,911.06 × 2,891.49
  4. Step 4: Simplify right side
    7,274.02x = 31,549,166.32
  5. Step 5: Solve for x
    x = 31,549,166.32/7,274.02
  6. Step 6: Final answer
    x = 4,337.24

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Half scale
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Double scale
Find fourth proportional to 7,275.02, 10,912.56 and 2,892.49
Similar ratio
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1.5x scale

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.