Home / 5,151.04-7,107.99-2,913.01

Finding the Fourth Proportional to 5,151.04, 7,107.99 and 2,913.01

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Solution

The fourth proportional to 5,151.04, 7,107.99 and 2,913.01 is: 4,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.04 : 7,107.99 = 2,913.01 : x
  2. Step 2: Convert to fraction form
    5,151.04/7,107.99 = 2,913.01/x
  3. Step 3: Cross multiply
    5,151.04x = 7,107.99 × 2,913.01
  4. Step 4: Simplify right side
    5,151.04x = 20,705,595.84
  5. Step 5: Solve for x
    x = 20,705,595.84/5,151.04
  6. Step 6: Final answer
    x = 4,019.70

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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.