Home / 2,035.40-2,808.14-1,151.01

Finding the Fourth Proportional to 2,035.40, 2,808.14 and 1,151.01

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Solution

The fourth proportional to 2,035.40, 2,808.14 and 1,151.01 is: 1,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.40 : 2,808.14 = 1,151.01 : x
  2. Step 2: Convert to fraction form
    2,035.40/2,808.14 = 1,151.01/x
  3. Step 3: Cross multiply
    2,035.40x = 2,808.14 × 1,151.01
  4. Step 4: Simplify right side
    2,035.40x = 3,232,191.47
  5. Step 5: Solve for x
    x = 3,232,191.47/2,035.40
  6. Step 6: Final answer
    x = 1,587.99

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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.