Home / 2,005.02-2,765.48-1,549.13

Finding the Fourth Proportional to 2,005.02, 2,765.48 and 1,549.13

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Solution

The fourth proportional to 2,005.02, 2,765.48 and 1,549.13 is: 2,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.02 : 2,765.48 = 1,549.13 : x
  2. Step 2: Convert to fraction form
    2,005.02/2,765.48 = 1,549.13/x
  3. Step 3: Cross multiply
    2,005.02x = 2,765.48 × 1,549.13
  4. Step 4: Simplify right side
    2,005.02x = 4,284,066.46
  5. Step 5: Solve for x
    x = 4,284,066.46/2,005.02
  6. Step 6: Final answer
    x = 2,136.67

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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.