Home / 4,360.03-6,540.95-1,440.38

Finding the Fourth Proportional to 4,360.03, 6,540.95 and 1,440.38

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Solution

The fourth proportional to 4,360.03, 6,540.95 and 1,440.38 is: 2,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.03 : 6,540.95 = 1,440.38 : x
  2. Step 2: Convert to fraction form
    4,360.03/6,540.95 = 1,440.38/x
  3. Step 3: Cross multiply
    4,360.03x = 6,540.95 × 1,440.38
  4. Step 4: Simplify right side
    4,360.03x = 9,421,473.51
  5. Step 5: Solve for x
    x = 9,421,473.51/4,360.03
  6. Step 6: Final answer
    x = 2,160.87

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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.