Home / 2,900.48-4,013.21-2,528.23

Finding the Fourth Proportional to 2,900.48, 4,013.21 and 2,528.23

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Solution

The fourth proportional to 2,900.48, 4,013.21 and 2,528.23 is: 3,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.48 : 4,013.21 = 2,528.23 : x
  2. Step 2: Convert to fraction form
    2,900.48/4,013.21 = 2,528.23/x
  3. Step 3: Cross multiply
    2,900.48x = 4,013.21 × 2,528.23
  4. Step 4: Simplify right side
    2,900.48x = 10,146,317.92
  5. Step 5: Solve for x
    x = 10,146,317.92/2,900.48
  6. Step 6: Final answer
    x = 3,498.15

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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.