Home / 5,820.13-8,664.37-5,785.53

Finding the Fourth Proportional to 5,820.13, 8,664.37 and 5,785.53

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Solution

The fourth proportional to 5,820.13, 8,664.37 and 5,785.53 is: 8,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.13 : 8,664.37 = 5,785.53 : x
  2. Step 2: Convert to fraction form
    5,820.13/8,664.37 = 5,785.53/x
  3. Step 3: Cross multiply
    5,820.13x = 8,664.37 × 5,785.53
  4. Step 4: Simplify right side
    5,820.13x = 50,127,900.32
  5. Step 5: Solve for x
    x = 50,127,900.32/5,820.13
  6. Step 6: Final answer
    x = 8,612.85

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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.