Home / 5,820.76-8,035.40-3,430.00

Finding the Fourth Proportional to 5,820.76, 8,035.40 and 3,430.00

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Solution

The fourth proportional to 5,820.76, 8,035.40 and 3,430.00 is: 4,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.76 : 8,035.40 = 3,430.00 : x
  2. Step 2: Convert to fraction form
    5,820.76/8,035.40 = 3,430.00/x
  3. Step 3: Cross multiply
    5,820.76x = 8,035.40 × 3,430.00
  4. Step 4: Simplify right side
    5,820.76x = 27,561,395.42
  5. Step 5: Solve for x
    x = 27,561,395.42/5,820.76
  6. Step 6: Final answer
    x = 4,735.02

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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.