Home / 2,459.24-3,688.38-899.08

Finding the Fourth Proportional to 2,459.24, 3,688.38 and 899.08

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Solution

The fourth proportional to 2,459.24, 3,688.38 and 899.08 is: 1,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.24 : 3,688.38 = 899.08 : x
  2. Step 2: Convert to fraction form
    2,459.24/3,688.38 = 899.08/x
  3. Step 3: Cross multiply
    2,459.24x = 3,688.38 × 899.08
  4. Step 4: Simplify right side
    2,459.24x = 3,316,148.69
  5. Step 5: Solve for x
    x = 3,316,148.69/2,459.24
  6. Step 6: Final answer
    x = 1,348.44

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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.