Home / 5,880.56-8,820.32-1,985.04

Finding the Fourth Proportional to 5,880.56, 8,820.32 and 1,985.04

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Solution

The fourth proportional to 5,880.56, 8,820.32 and 1,985.04 is: 2,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.56 : 8,820.32 = 1,985.04 : x
  2. Step 2: Convert to fraction form
    5,880.56/8,820.32 = 1,985.04/x
  3. Step 3: Cross multiply
    5,880.56x = 8,820.32 × 1,985.04
  4. Step 4: Simplify right side
    5,880.56x = 17,508,688.01
  5. Step 5: Solve for x
    x = 17,508,688.01/5,880.56
  6. Step 6: Final answer
    x = 2,977.38

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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.