Home / 7,256.40-10,887.03-2,874.30

Finding the Fourth Proportional to 7,256.40, 10,887.03 and 2,874.30

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Solution

The fourth proportional to 7,256.40, 10,887.03 and 2,874.30 is: 4,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.40 : 10,887.03 = 2,874.30 : x
  2. Step 2: Convert to fraction form
    7,256.40/10,887.03 = 2,874.30/x
  3. Step 3: Cross multiply
    7,256.40x = 10,887.03 × 2,874.30
  4. Step 4: Simplify right side
    7,256.40x = 31,292,590.33
  5. Step 5: Solve for x
    x = 31,292,590.33/7,256.40
  6. Step 6: Final answer
    x = 4,312.41

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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.