Home / 1,519.18-2,096.45-856.10

Finding the Fourth Proportional to 1,519.18, 2,096.45 and 856.10

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Solution

The fourth proportional to 1,519.18, 2,096.45 and 856.10 is: 1,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.18 : 2,096.45 = 856.10 : x
  2. Step 2: Convert to fraction form
    1,519.18/2,096.45 = 856.10/x
  3. Step 3: Cross multiply
    1,519.18x = 2,096.45 × 856.10
  4. Step 4: Simplify right side
    1,519.18x = 1,794,756.08
  5. Step 5: Solve for x
    x = 1,794,756.08/1,519.18
  6. Step 6: Final answer
    x = 1,181.40

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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.