Home / 2,715.68-4,052.70-2,424.08

Finding the Fourth Proportional to 2,715.68, 4,052.70 and 2,424.08

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Solution

The fourth proportional to 2,715.68, 4,052.70 and 2,424.08 is: 3,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.68 : 4,052.70 = 2,424.08 : x
  2. Step 2: Convert to fraction form
    2,715.68/4,052.70 = 2,424.08/x
  3. Step 3: Cross multiply
    2,715.68x = 4,052.70 × 2,424.08
  4. Step 4: Simplify right side
    2,715.68x = 9,824,069.02
  5. Step 5: Solve for x
    x = 9,824,069.02/2,715.68
  6. Step 6: Final answer
    x = 3,617.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.