Home / 3,457.02-4,770.54-1,885.11

Finding the Fourth Proportional to 3,457.02, 4,770.54 and 1,885.11

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Solution

The fourth proportional to 3,457.02, 4,770.54 and 1,885.11 is: 2,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.02 : 4,770.54 = 1,885.11 : x
  2. Step 2: Convert to fraction form
    3,457.02/4,770.54 = 1,885.11/x
  3. Step 3: Cross multiply
    3,457.02x = 4,770.54 × 1,885.11
  4. Step 4: Simplify right side
    3,457.02x = 8,992,992.66
  5. Step 5: Solve for x
    x = 8,992,992.66/3,457.02
  6. Step 6: Final answer
    x = 2,601.37

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Half scale
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Double scale
Find fourth proportional to 3,458.02, 4,771.92 and 1,886.11
Similar ratio
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1.5x scale

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.