Home / 4,950.96-7,417.55-2,869.20

Finding the Fourth Proportional to 4,950.96, 7,417.55 and 2,869.20

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Solution

The fourth proportional to 4,950.96, 7,417.55 and 2,869.20 is: 4,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.96 : 7,417.55 = 2,869.20 : x
  2. Step 2: Convert to fraction form
    4,950.96/7,417.55 = 2,869.20/x
  3. Step 3: Cross multiply
    4,950.96x = 7,417.55 × 2,869.20
  4. Step 4: Simplify right side
    4,950.96x = 21,282,420.11
  5. Step 5: Solve for x
    x = 21,282,420.11/4,950.96
  6. Step 6: Final answer
    x = 4,298.65

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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.